Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2013Distributed ultradense optical frequency-division multiplexing using fiber nonlinearity
Elschner, R.; Richter, T.; Kato, T.; Watanabe, S.; Schubert, C.
Journal Article
2012All-optical data frequency multiplexing on single-wavelength carrier light by sequentially provided cross-phase modulation in fiber
Watanabe, S.; Kato, T.; Okabe, R.; Elschner, R.; Ludwig, R.; Schubert, C.
Journal Article
2012Analytical results on back propagation nonlinear compensator with coherent detection
Tanimura, T.; Nölle, M.; Fischer, J.K.; Schubert, C.
Journal Article
2012Black-box phase-sensitive fiber-optic parametric amplifier assisted by a semiconductor optical amplifier
Richter, T.; Meuer, C.; Ludwig, R.; Schubert, C.
Conference Paper
2012Chirp removal from directly modulated laser signals by two-stage fiber cross-phase modulation
Kato, T.; Elschner, R.; Richter, T.; Okabe, R.; Meuer, C.; Troppenz, U.; Schubert, C.; Watanabe, S.
Conference Paper
2012Distributed coherent optical OFDM multiplexing using fiber frequency conversion and free-running lasers
Elschner, R.; Richter, T.; Kato, T.; Watanabe, S.; Schubert, C.
Conference Paper
2012EURO-FOS: Pan European Photonics Networks
Maziotis, A.; Klonidis, D.; Schubert, C.; Nejabati, R.; Lazaro, J.; Erasme, D.; Forzati, M.; Tangdiongga, E.; Hedekvist, P.O.; Leuthold, J.; Carena, A.; Manning, B.; Fresi, F.; Millan, P.P.; Qui, X.-Z.; Teixeira, A.; Seoane, J.; Kouloumentas, C.; Avramopoulos, H.
Journal Article
2012Experimental demonstration of a format-flexible single-carrier coherent receiver using data-aided digital signal processing
Elschner, R.; Frey, F.; Meuer, C.; Fischer, J.K.; Alreesh, S.; Schmidt-Langhorst, C.; Molle, L.; Tanimura, T.; Schubert, C.
Journal Article
2012Experimental investigation of 126-Gb/s 6PolSK-QPSK signals
Fischer, J.K.; Alreesh, S.; Elschner, R.; Frey, F.; Meuer, C.; Molle, L.; Schmidt-Langhorst, C.; Tanimura, T.; Schubert, C.
Conference Paper
2012Highly efficient CW parametric conversion at 1550 nm in SOI waveguides by reverse biased p-i-n junction
Gajda, A.; Zimmermann, L.; Jazayerifar, M.; Winzer, G.; Tian, H.; Elschner, R.; Richter, T.; Schubert, C.; Tillack, B.; Petermann, K.
Journal Article
2012Hybrid integrated polymer - Indium phosphide dual-polarization receiver for QPSK and QAM modulation formats
Kroh, M.; Theurer, A.; Matiss, A.; Steffan, A.G.; Wang, J.; Richter, T.; Zawadzki, C.; Zhang, Z.; Keil, N.; Grote, N.; Schubert, C.
Conference Paper
2012Hybrid-integrated polarization diverse coherent receiver based on polymer PLC
Wang, J.; Kroh, M.; Richter, T.; Theurer, A.; Matiss, A.; Zawadzki, C.; Zhang, Z.Y.; Schubert, C.; Steffan, A.; Grote, N.; Keil, N.
Journal Article
2012The implementation of a quantum key distribution scheme based on the frequency-time uncertainty
Leifgen, M.; Elschner, R.; Schubert, C.; Benson, O.
Conference Paper
2012Influence of channel spacing on ultra long-haul WDM transmission of 8x112 Gb/s PS-QPSK signals
Nölle, M.; Fischer, J.K.; Molle, L.; Schmidt-Langhorst, C.; Schubert, C.
Conference Paper
2012Integrated polarization-diversity coherent receiver on polymer PLC for QPSK and QAM signals
Richter, T.; Kroh, M.; Wang, J.; Theurer, A.; Zawadzki, C.; Zhang, Z.; Keil, N.; Steffan, A.; Schubert, C.
Conference Paper
2012Is PS-QPSK really an alternative to PDM-QPSK?
Fischer, J.K.; Nölle, M.; Molle, L.; Schmidt-Langhorst, C.; Schubert, C.
Conference Paper
2012Joint-polarization carrier phase estimation for PS-QPSK signals
Alreesh, S.; Fischer, J.K.; Nolle, M.; Schubert, C.
Journal Article
2012New trends and challenges in optical digital transmission systems
Schubert, C.; Fischer, J.K.; Schmidt-Langhorst, C.; Elschner, R.; Molle, L.; Nölle, M.; Richter, T.
Conference Paper
2012OTDM-to-WDM conversion of complex modulation formats by time-domain optical Fourier transformation
Palushani, E.; Richter, T.; Ludwig, R.; Schubert, C.; Mulvad, H.C.H.; Clausen, A.T.; Oxenlowe, L.K.
Conference Paper
2012Parametric amplification and wavelength conversion of single-and dual-polarization DQPSK signals
Richter, T.; Elschner, R.; Gandhe, A.; Petermann, K.; Schubert, C.
Journal Article
2012Real-time implementation of a parallelized feedforward timing recovery scheme for receivers in optical access networks
Schmidt, Daniel; Lankl, Berthold; Fischer, Johannes Karl; Hilt, Jonas; Schubert, Colja
Conference Paper
2012Transmission of single-channel 16-QAM data signals at terabaud symbol rates
Richter, T.; Palushani, E.; Schmidt-Langhorst, C.; Ludwig, R.; Molle, L.; Nölle, M.; Schubert, C.
Journal Article
2012Wide-range wavelength conversion of 40-Gb/s NRZ-DPSK signals using a 1.3-m quantum-dot semiconductor optical amplifier
Schmeckebier, H.; Meuer, C.; Arsenijevi, D.; Fiol, G.; Schmidt-Langhorst, C.; Schubert, C.; Eisenstein, G.; Bimberg, D.
Journal Article
201112-Stage sequential optical FDM of 120 Gb/s (12x10 Gb/s) data in 240-GHz bandwidth using fiber cross-phase modulation with optical subcarrier signals
Kato, T.; Okabe, R.; Ludwig, R.; Elschner, R.; Schubert, C.; Watanabe, S.
Conference Paper
201140 Gb/s wavelength conversion via four-wave mixing in a quantum-dot semiconductor optical amplifier
Meuer, C.; Schmidt-Langhorst, C.; Schmeckebier, H.; Fiol, G.; Arsenijevic, D.; Schubert, C.; Bimberg, D.
Journal Article
20118 × 448-Gb/s WDM transmission of 56-GBd PDM 16-QAM OTDM signals over 250-km ultralarge effective area fiber
Fischer, J.K.; Molle, L.; Nölle, M.; Schmidt-Langhorst, C.; Hilt, J.; Ludwig, R.; Peckham, D.W.; Schubert, C.
Journal Article
201180 Gb/s wavelength conversion using a quantum-dot semiconductor optical amplifier and optical filtering
Meuer, C.; Schmidt-Langhorst, C.; Bonk, R.; Schmeckebier, H.; Arsenijevic, D.; Fiol, G.; Galperin, A.; Leuthold, J.; Schubert, C.; Bimberg, D.
Journal Article
2011All-optical THz-band frequency multiplexing on a single optical carrier using fiber cross-phase modulation
Kato, T.; Okabe, R.; Ludwig, R.; Schmidt-Langhorst, C.; Schubert, C.; Watanabe, S.
Conference Paper
2011Characterization of an integrated coherent receiver for 224 Gb/s polarization multiplexed 16-QAM transmission
Matiss, A.; Nölle, M.; Fischer, J.K.; Leonhardt, C.C.; Ludwig, R.; Hilt, J.; Molle, L.; Schmidt-Langhorst, C.; Schubert, C.
Conference Paper
2011Characterization of FWM-induced crosstalk for WDM operation of a fiber-optical parametric amplifier
Elschner, R.; Richter, T.; Schubert, C.
Conference Paper
2011Coherent detection using parallel optical sampling
Fischer, J.K.; Ludwig, R.; Molle, L.; Schmidt-Langhorst, C.; Leonhardt, C.C.; Matiss, A.; Schubert, C.
Conference Paper
2011Coherent receiver for 100G Ethernet applications based on polymer planar lightwave circuit
Kroh, M.; Wang, J.; Theurer, A.; Zawadzki, C.; Schmidt, D.; Ludwig, R.; Lauermann, M.; Beling, A.; Matiss, A.; Schubert, C.; Steffan, A.; Keil, N.; Grote, N.
Conference Paper
2011Comparison of 8 x 112 Gb/s PS-QPSK and PDM-QPSK signals over transoceanic distances
Nölle, M.; Fischer, J.K.; Molle, L.; Schmidt-Langhorst, C.; Peckham, D.; Schubert, C.
Journal Article
2011Dual-quadrature coherent receiver for 100G Ethernet applications based on polymer planar lightwave circuit
Wang, J.; Kroh, M.; Theurer, A.; Zawadzki, C.; Schmidt, D.; Ludwig, R.; Lauermann, M.; Zhang, Z.Y.; Beling, A.; Matiss, A.; Schubert, C.; Steffan, A.; Keil, N.; Grote, N.
Journal Article
2011Experimental investigation of 28-GBd polarization-switched quadrature phase-shift keying signals
Fischer, J.K.; Molle, L.; Nölle, M.; Groß, D.-D.; Schubert, C.
Conference Paper
2011Experimental Investigation of 28-GBd PS-QPSK Signals
Fischer, J.K.; Molle, L.; Nölle, M.; Groß, D.-D.; Schubert, C.
Conference Paper
2011Experimental investigation of 84-Gb/s and 112-Gb/s polarization-switched quadrature phase-shift keying signals
Fischer, J.K.; Molle, L.; Nölle, M.; Gross, D.D.; Schmidt-Langhorst, C.; Schubert, C.
Journal Article
2011Fully-integrated polarization-diversity coherent receiver module for 100G DP-QPSK
Beling, A.; Ebel, N.; Matiss, A.; Unterbörsch, G.; Nölle, M.; Fischer, J.K.; Hilt, J.; Molle, L.; Schubert, C.; Verluise, F.; Fulop, L.
Conference Paper
2011High-speed digital coherent receiver based on parallel optical sampling
Fischer, J.K.; Ludwig, R.; Molle, L.; Schmidt-Langhorst, C.; Leonhardt, C.C.; Matiss, A.; Schubert, C.
Journal Article
2011Higher-order modulation formats for spectral-efficient high-speed metro systems
Freund, R.; Nölle, M.; Seimetz, M.; Hilt, J.; Fischer, J.; Ludwig, R.; Schubert, C.; Bach, H.-G.; Velthaus, K.-O.; Schell, M.
Conference Paper
2011Integrated Coherent Receiver Modules for 100G Ethernet and Beyond
Fischer, J.K.; Ludwig, R.; Molle, L.; Nölle, M.; Beling, A.; Leonhardt, C.C.; Matiss, A.; Umbach, A.; Kunkel, R.; Bach, H.-G.; Schubert, C.
Conference Paper
2011Multi-stage optical FDM of 12-channel 10-Gb/s data with 20-GHz exact channel spacing using fiber cross-phase modulation with optical subcarrier signals
Kato, T.; Okabe, R.; Ludwig, R.; Elschner, R.; Schubert, C.; Watanabe, S.
Journal Article
2011Parametric amplification as an option for optical broadband amplification
Elschner, R.; Richter, T.; Schubert, C.
Conference Paper
2011Parametric amplification of 112 Gbit/s polarization multiplexed DQPSK signals in a fiber loop configuration
Richter, T.; Elschner, R.; Gandhe, A.; Schubert, C.
Conference Paper
2011Parametric amplification of 28-GBd NRZ-16QAM signals
Elschner, R.; Richter, T.; Nölle, M.; Hilt, J.; Schubert, C.
Conference Paper
2011Performance of an integrated coherent receiver module for up to 160G DP-QPSK transmission systems
Matiss, A.; Bottacchi, S.; Fischer, J.K.; Ludwig, R.; Leonhardt, C.C.; Schmidt-Langhorst, C.; Schubert, C.
Journal Article
2011Phase-incoherent DQPSK wavelength conversion using a photonic integrated circuit
Bougioukos, M.; Richter, T.; Kouloumentas, C.; Katopodis, V.; Harmon, R.; Rogers, D.; Harrison, J.; Poustie, A.; Maxwell, G.; Schubert, C.; Avramopoulos, H.
Journal Article
2011Polarization Multiplexed 16QAM Transmission Employing Modified Digital Back-Propagation
Rafique, D.; Mussolin, M.; Martensson, J.; Forzati, M.; Fischer, J.K.; Molle, L.; Nölle, M.; Schubert, C.; Ellis, A.D.
Journal Article
2011Polarization Multiplexed 224 Gb/s 16QAM Transmission Employing Digital Back-Propagation
Rafique, C.; Mussolin, M.; Martensson, J.; Forzati, M.; Fischer, J.K.; Molle, L.; Nölle, M.; Schubert, C.; Ellis, A.D.
Conference Paper
2011Polarization-insensitive 320-Gb/s in-line all-optical wavelength conversion in a 320-km transmission span
Hu, H.; Nouroozi, R.; Ludwig, R.; Schmidt-Langhorst, C.; Suche, H.; Sohler, W.; Schubert, C.
Journal Article
2011Quantum dot semiconductor optical amplifiers at 1.3 m for applications in all-optical communication networks
Schmeckebier, H.; Meuer, C.; Bimberg, D.; Schmidt-Langhorst, C.; Galperin, A.; Schubert, C.
Journal Article
2011Quantum-dot semiconductor optical amplifier for filter-assisted 80-Gb/s wavelength conversion
Bimberg, D.; Schmeckebier, H.; Meuer, C.; Schmidt-Langhorst, C.; Bonk, R.; Arsenijevi, D.; Fiol, G.; Galperin, A.; Leuthold, J.; Li, J.; Schubert, C.
Conference Paper
2011Self-coherent receiver for PolMUX coherent signals
Li, J.; Schmidt-Langhorst, C.; Schmogrow, R.; Hillerkuss, D.; Lauermann, M.; Winter, M.; Worms, K.; Schubert, C.; Koos, C.; Freude, W.; Leuthold, J.
Conference Paper
2011Simultaneous polarization-insensitive wavelength conversion of 80-Gb/s RZ-DQPSK signal and 40-Gb/s RZ-OOK signal in a Ti:PPLN waveguide
Hu, H.; Nouroozi, R.; Ludwig, R.; Huttl, B.; Schmidt-Langhorst, C.; Suche, H.; Sohler, W.; Schubert, C.
Journal Article
2011Single wavelength channel 10.2 Tb/s TDM-data capacity using 16-QAM and coherent detection
Richter, T.; Palushani, E.; Schmidt-Langhorst, C.; Nölle, M.; Ludwig, R.; Fischer, J.K.; Schubert, C.
Conference Paper
2011Transmission of a Serial 5.1-Tb/s Data Signal Using 16-QAM and Coherent Detection
Palushani, E.; Schmidt-Langhorst, C.; Richter, T.; Nölle, M.; Ludwig, R.; Schubert, C.
Conference Paper
2011Übertragungs- und Komponententechnik für 100Gbit/s Systeme
Freund, R.; Velthaus, K.-O.; Kunkel, R.; Schubert, C.; Schell, M.; Nölle, M.
Research Report
2011Ultra-high-speed transmitter and receiver ICs for 100 Gbit/s ethernet using InP DHBTs
Makon, R.E.; Driad, R.; Rosenzweig, J.; Hurm, V.; Walcher, H.; Schlechtweg, M.; Ambacher, O.; Schubert, C.
Conference Paper
2011Ultrafast transmission systems using coherent technology
Ludwig, R.; Richter, T.; Palushani, E.; Schmidt-Langhorst, C.; Molle, L.; Fischer, J.K.; Noelle, M.; Elschner, R.; Schubert, C.
Conference Paper
2011Wavelength conversion of 40-Gb/s NRZ DPSK signals within a 45-nm range using a 1.3 m quantum-dot semiconductor optical amplifier
Meuer, C.; Schmeckebier, H.; Schmidt-Langhorst, C.; Fiol, G.; Arsenijevic, D.; Schubert, C.; Eisenstein, G.; Bimberg, D.
Conference Paper
2011Wavelength Conversion of 40-Gb/s NRZ DPSK Signals within a 45-nm range using a 1.3µm Quantum-Dot Semiconductor Optical Amplifier
Meuer, C.; Eisenstein, G.; Schmeckebier, H.; Schmidt-Langhorst, C.; Fiol, G.; Arsenijevic, D.; Schubert, C.; Bimberg, D.
Conference Paper
2010107-112 Gbit/s fully integrated CDR/1:2 DEMUX using InP-based DHBTs
Makon, R.E.; Driad, R.; Schubert, C.; Fischer, J.; Lösch, R.; Walcher, H.; Rosenzweig, J.; Schlechtweg, M.; Ambacher, O.
Conference Paper
2010110 km transmission of 160 Gbit/s RZ-DQPSK signals by midspan polarization-insensitive optical phase conjugation in a Ti:PPLN waveguide
Hu, H.; Nouroozi, R.; Ludwig, R.; Schmidt-Langhorst, C.; Suche, H.; Sohler, W.; Schubert, C.
Journal Article
2010112 Gb/s field trial of complete ETDM system based on monolithically integrated transmitter & receiver modules for use in 100GbE
Li, J.; Schubert, C.; Derksen, R.H.; Makon, R.E.; Hurm, V.; Djupsjöbacka, A.; Chacinski, M.; Westergren, U.; Bach, H.-G.; Mekonnen, G.G.; Steffan, A.G.; Driad, R.; Walcher, H.; Rosenzweig, J.
Conference Paper
201080 Gb/s multi-wavelength booster amplification in an InGaAs/GaAs quantum-dot semiconductor optical amplifier
Schmidt-Langhorst, C.; Meuer, C.; Galperin, A.; Schmeckebier, H.; Ludwig, R.; Puris, D.; Bimberg, D.; Petermann, K.; Schubert, C.
Conference Paper
2010All-optical level equalization of data packets using a fiber-optic parametric amplifier
Richter, T.; Ludwig, R.; Fischer, J.K.; Watanabe, S.; Okabe, R.; Kato, T.; Schubert, C.
Conference Paper
2010Characterization of a pinTWA photoreceiver in OOK-system experiments up to 112 Gb/s
Schubert, C.; Li, J.; Bach, H.-G.; Mekonnen, G.G.; Makon, R.E.; Derksen, R.H.; Hurm, V.; Djupsjöbacka, A.; Chacinski, M.; Westergren, U.; Steffan, A.G.; Driad, R.
Conference Paper
2010Co-packaged 107 Gb/s photoreceiver for direct detection comprising InP-based pinTWA and DEMUX
Mekonnen, G.G.; Bach, H.-G.; Kunkel, R.; Schubert, C.; Pech, D.; Konczykowska, A.; Jorge, F.; Scavennec, A.; Riet, M.
Conference Paper
2010Digital coherent receiver based on parallel optical sampling
Fischer, J.K.; Ludwig, R.; Molle, L.; Schmidt-Langhorst, C.; Leonhardt, C.C.; Matiss, A.; Schubert, C.
Conference Paper
2010High-speed digital coherent receiver with parallel optical sampling
Fischer, J.K.; Ludwig, R.; Molle, L.; Schmidt-Langhorst, C.; Galperin, A.; Richter, T.; Leonhardt, C.C.; Matiss, A.; Schubert, C.
Conference Paper
2010InP HBT demultiplexing ICs for over 100 Gb/s optical transmission
Konczykowska, A.; Jorge, F.; Dupuy, J.; Riet, M.; Godin, J.; Scavennec, A.; Bach, H.; Mekonnen, G.G.; Pech, D.; Schubert, C.
Conference Paper
2010InP-basierte elektrische und elektro-optische Komponenten für 112 Gb/s OOK Systeme
Schubert, C.; Makon, R.E.; Steffan, A.G.; Driad, R.; Bach, H.-G.; Mekonnen, G.G.; Zhang, R.; Ludwig, R.; Schmidt-Langhorst, C.
Conference Paper
2010Novel integrated coherent receiver module for 100 G serial transmission
Matiss, A.; Ludwig, R.; Fischer, J.-K.; Molle, L.; Schubert, C.; Leonhardt, C.C.; Bach, H.-G.; Kunkel, R.; Umbach, A.
Conference Paper
2010Performance of a novel integrated coherent receiver module for 100G ethernet applications and beyond
Ludwig, R.; Fischer, J.K.; Matiss, A.; Molle, L.; Leonhardt, C.C.; Bach, H.-G.; Kunkel, R.; Umbach, A.; Schubert, C.
Conference Paper
2010Polarization-insensitive all-optical wavelength conversion of 320 Gb/s RZ-DQPSK signals using a Ti:PPLN waveguide
Hu, H.; Nouroozi, R.; Ludwig, R.; Huettl, B.; Schmidt-Langhorst, C.; Suche, H.; Sohler, W.; Schubert, C.
Journal Article
2010Setting the stage for 100GbE serial standard - the HECTO project
Derksen, R.H.; Wang, K.; Li, J.; Djupsjöbacka, A.; Jacobsen, G.; Chacinski, M.; Westergren, U.; Popov, S.; Hurm, V.; Makon, R.E.; Driad, R.; Walcher, H.; Rosenzweig, J.; Steffan, A.G.; Mekonnen, G.G.; Bach, H.-G.; Schubert, C.
Conference Paper
2010Single- and multi-carrier techniques to build up Tb/s per channel transmission systems
Freund, R.; Nölle, M.; Schmidt-Langhorst, C.; Ludwig, R.; Schubert, C.; Bosco, G.; Carena, A.; Poggiolini, P.; Oxenlowe, L.K.; Galili, M.; Mulvad, H.C.H.; Winter, M.; Hillerkuss, D.; Schmogrow, R.; Freude, W.; Leuthold, J.; Ellis, A.D.; Gunning, F.C.G; Zhao, J.; Frascella, P.
Conference Paper
2010Single-pump FWM-wavelength conversion in HNLF using coherent receiver-based electronic compensation
Elschner, R.; Richter, T.; Molle, L.; Petermann, K.; Schubert, C.
Conference Paper
2010Terabit/s single-carrier transmission based on coherent time-division demultiplexing
Schmidt-Langhorst, C.; Ludwig, R.; Molle, L.; Gross, D.D.; Freund, R.; Schubert, C.
Conference Paper
2010Terabit/s single-carrier transmission systems based on coherent time-division demultiplexing
Schmidt-Langhorst, C.; Ludwig, R.; Molle, L.; Groß, D.-D.; Freund, R.; Schubert, C.
Conference Paper
20091 Tb/s transmission on a single wavelength channel for future terabit ethernet
Schmidt-Langhorst, C.; Ludwig, R.; Hu, H.; Schubert, C.
Conference Paper
2009107 Gb/s RZ-DQPSK signal transmission over 108 km SMF using optical phase conjugation in an SOA
Hu, H.; Han, L.; Ludwig, R.; Schmidt-Langhorst, C.; Yu, J.; Schubert, C.
Conference Paper
2009107 Gbit/s demultiplexing photoreceivers comprising pin- and pinTWA frontends
Bach, H.-G.; Mekonnen, G.G.; Kunkel, R.; Schubert, C.; Pech, D.; Rosin, T.; Konczykowska, A.; Jorge, F.; Scavennec, A.; Riet, M.
Conference Paper
2009All-optical combination of DPSK and OOK to 320-Gb/s DQPSK signal using fiber-based signal processors
Futami, F.; Okabe, R.; Kato, T.; Schmidt-Langhorst, C.; Schubert, C.; Ludwig, R.; Watanabe, S.
Conference Paper
2009Architekturen, Systeme, Komponenten für effiziente integrierte Backbone-Netze, HHI-EIBONE
Schubert, C.; Freund, R.; Kreissl, J.; Bach, H.-G.; Walf, G.
Research Report
2009Characterization of an InP-based electrical 1:2 demultiplexer in a 107 Gb/s OOK system
Schubert, C.; Makon, R.E.; Steffan, A.G.; Driad, R.; Ludwig, R.; Schmidt-Langhorst, C.
Conference Paper
2009Demonstration of an InP-based electrical 1:2 demultiplexer in a 107 Gb/s OOK system
Schubert, C.; Makon, R.E.; Steffan, A.G.; Driad, R.; Ludwig, R.; Schmidt-Langhorst, C.
Conference Paper
2009Fibre-based parametric wavelength conversion of 86 Gb/s RZ-DQPSK signals with 15 dB gain using a dual-pump configuration
Richter, T.; Elschner, R.; Schubert, C,; Petermann, K.
Conference Paper
2009Generation and coherent time-division demultiplexing of up to 5.1 Tb/s single-channel 8-PSK and 16-QAM signals
Schmidt-Langhorst, C.; Ludwig, R.; Gross, D.-D.; Molle, L.; Seimetz, M.; Freund, R.; Schubert, C.
Conference Paper
2009Hybrid co-packaged receiver module with pin-photodiode chip and DEMUX-IC for 107 Gb/s data rates
Mekonnen, G.G.; Bach, H.-G.; Kunkel, R.; Schubert, C.; Pech, D.; Rosin, T.; Konczykowska, A.; Jorge, F.; Scavennec, A.; Riet, M.
Conference Paper
2009Mitigation of sampling clock drift in asynchronously under-sampled optical bit pattern monitoring
Zhang, H.; Schmidt-Langhorst, C.; Zhao, W.; Schubert, C.
Conference Paper
2009Polarization insensitive all-optical wavelength conversion of 320 Gb/s RZ-DQPSK data signals
Hu, H.; Suche, H.; Ludwig, R.; Hüttl, B.; Schmidt-Langhorst, C.; Nouroozi, R.; Sohler, W.; Schubert, C.
Conference Paper
2009Polarization-independent all-optical amplitude limiter using two-stage gain-saturated fiber parametric amplifiers
Watanabe, S.; Futami, F.; Okabe, R.; Kato, T.; Ludwig, R.; Schmidt-Langhorst, C.; Schubert, C.
Conference Paper
2009Quantum-dot semiconductor optical booster amplifier with ultrafast gain recovery for pattern-effect free amplification of 80 Gb/s RZ-OOK data signals
Schmidt-Langhorst, C.; Meuer, C.; Ludwig, R.; Puris, D.; Bonk, R.; Vallaitis, T.; Bimberg, D.; Petermann, K.; Leuthold, J.; Schubert, C.
Conference Paper
2009Single-channel 1-Tb/s transmission over 480 km DMF for future terabit ethernet systems
Schmidt-Langhorst, C.; Ludwig, R.; Hu, H.; Schubert, C.
Conference Paper
2009Tolerances of counterphased pump-phase modulation in a fibre-based dual-pump wavelength converter for 86 Gb/s RZ-DQPSK
Richter, T.; Elschner, R.; Petermann, K.; Schubert, C.
Conference Paper
2009Wavelength conversion and optical signal processing in PPLN waveguides
Sohler, W.; Buchter, D.; Gui, L.; Herrmann, H.; Hu, H.; Ludwig, R.; Nouroozi, R.; Quiring, V.; Ricken, R.; Schubert, C.; Suche, H.
Conference Paper
2008107 Gb/s RZ-DPSK transmission over 320 km dispersion-managed fiber with balanced detection ETDM integrated receiver
Ludwig, R.; Hüttl, B.; Hu, H.; Schmidt-Langhorst, C.; Schubert, C.
Conference Paper
2008107 Gbit/s RZ-DPSK transmission using an EDTM integrated receiver
Schubert, C.; Ludwig, R.; Hüttl, B.; Hu, H.; Schmidt-Langhorst, C.
Conference Paper
200853.5 GHz monolithically integrated pulse source for 107 Gb/s RZ-DQPSK transmission
Schubert, C.; Ludwig, R.; Hüttl, B.; Kaiser, R.; Hu, H.; Steffan, A.; Schmidt-Langhorst, C.
Conference Paper
2008All-optical amplitude noise suppression of 107 Gb/s DPSK signals using a parametric fiber switch in a 320 km transmission experiment
Ludwig, R.; Futami, F.; Hüttl, B.; Schmidt-Langhorst, C.; Okabe, R.; Watanabe, S.; Schubert, C.
Conference Paper
2008All-optical wavelength conversion of 80 Gb/s RZ-DQPSK using four-wave mixing in a semiconductor optical amplifier
Han, L.; Hu, H.; Ludwig, R.; Schubert, C.; Zhang, H.
Conference Paper
2008Impact of pump-phase modulation on FWM-based wavelength conversion of D(Q)PSK signals
Elschner, R.; Bunge, C.-A.; Hüttl, B.; Gual i Coca, A.; Schmidt-Langhorst, C.; Ludwig, R.; Schubert, C.; Petermann, K.
Journal Article
2008InP waveguide-integrated pin-photodiode hybrid packaged with an HBT-DEMUX-chip for receiver modules of 80-100 Gb/s data rates
Mekonnen, G.G.; Hüttl, B.; Bach, H.-G.; Pech, D.; Rosin, T.; Schubert, C.; Konczykowska, A.; Jorge, F.; Riet, M.
Conference Paper
2008Linewidth investigation of monolithically integrated 40 GHz mode-locked laser diodes for high-speed RZ-DQPSK transmission
Hüttl, B.; Hu, H.; Ludwig, R.; Kaiser, R.; Schmidt-Langhorst, C.; Steffan, A.G.; Schubert, C.
Conference Paper
2008An optical parametric amplified fiber switch for optical signal processing and regeneration
Watanabe, S.; Futami, F.; Okabe, R.; Ludwig, R.; Schmidt-Langhorst, C.; Huettl, B.; Schubert, C.; Weber, H.G.
Journal Article
2008Performance of 40-Gb/s DPSK demodulator in SOI-technology
Voigt, K.; Zimmermann, L.; Winzer, G.; Mitze, T.; Bruns, J.; Petermann, K.; Huttl, B.; Schubert, C.
Journal Article
2008Phase-preserving 2R regeneration of a WDM RZ-DPSK signal using a nonlinear amplifying loop mirror
Cvecek, K.; Sponsel, K.; Stephan, C.; Onishchukov, G.; Ludwig, R.; Schubert, C.; Schmauss, B.; Leuchs, G.
Conference Paper
2008Phase-preserving amplitude regeneration for a WDM RZ-DPSK signal using a nonlinear amplifying loop mirror
Cvecek, K.; Sponsel, K.; Stephan, C.; Onishchukov, G.; Ludwig, R.; Schubert, C.; Schmauss, B.; Leuchs, G.
Journal Article
2008Quantum dot photonics: Edge emitter, amplifier and VCSEL
Hopfer, F.; Kuntz, M.; Lämmlin, M.; Fiol, G.; Ledentsov, N.N.; Kovsh, A.R.; Mikrin, S.S.; Kaiander, I.; Haisler, V.; Lochmann, A.; Mutig, A.; Schubert, C.; Umbach, A.; Ustinov, V.M.; Pohl, U.W.; Bimberg, D.
Conference Paper
2007100 Gb/s ETDM receivers
Ludwig, R.; Schubert, C.; Huettl, B.; Schmidt-Langhorst, C.; Derksen, R.H.; Moller, M.
Conference Paper
2007100 gigabit Ethernet transmission - physical layer issues
Lehmann, G.; Derksen, R.H.; Schubert, C.; Winter, M.
Conference Paper
2007100-Gbit/s full-ETDM transmission technologies
Derksen, R.H.; Möller, M.; Schubert, C.
Conference Paper
2007107-Gb/s full-ETDM transmission over field installed fiber using vestigial sideband modulation
Jansen, S.L.; Derksen, R.H.; Schubert, C.; Zhou, X.; Birk, M.; Weiske, C.-J.; Bohn, M.; Borne, D. van den; Krummrich, P.M.; Möller, M.; Horst, F.; Offrein, B.J.; Waardt, H. de; Khoe, G.D.; Kirstädter, A.
Conference Paper
2007160 Gb/s RZ-DPSK OTDM-transmission over 480 km using 160 km repeater spans and advanced forward-error-correction
Ludwig, R.; Weisser, S.; Schmidt-Langhorst, C.; Raddatz, L.; Schubert, C.
Conference Paper
20072R-Regeneration of an 80-Gb/s RZ-DQPSK signal by a nonlinear amplifying loop mirror
Cvecek, K.; Sponsel, K.; Ludwig, R.; Schubert, C.; Stephan, C.; Onishchukov, G.; Schmauss, B.; Leuchs, G.
Journal Article
2007320 Gbit/s DQPSK all-optical wavelength conversion using four wave mixing
Galili, M.; Hüttl, B.; Schmidt-Langhorst, C.; Gual i Coca, A.; Ludwig, R.; Schubert, C.
Conference Paper
2007320 Gbit/s DQPSK all-optical wavelength conversion using periodically poled LiNbO3
Hüttl, B.; Gual i Coca, A.; Suche, H.; Ludwig, R.; Schmidt-Langhorst, C.; Weber, H.; Sohler, W.; Schubert, C.
Conference Paper
200760 Gbit/s RZ-DPSK OTDM-transmission over 480 km using 160 km repeater spans
Schubert, C.; Ludwig, R.; Weisser, S.; Schmidt-Langhorst, C.; Raddatz, L.
Conference Paper
2007All-optical amplitude noise suppression of 160-Gb/s OOK and DPSK data signals using a parametric fiber switch
Futami, F.; Okabe, R.; Ono, S.; Watanabe, S.; Ludwig, R.; Schmidt-Langhorst, C.; Schubert, C.
Conference Paper
2007All-optical combination of DPSK and OOK to 160 Gbit/s DQPSK data signals
Galili, M.; Schmidt-Langhorst, C.; Ludwig, R.; Futami, F.; Watanabe, S.; Schubert, C.
Conference Paper
2007All-optical wavelength converter concepts for high data rate D(Q)PSK transmission
Hüttl, B.; Elschner, R.; Suche, H.; Gual i Coca, A.; Bunge, C.-A.; Schmidt-Langhorst, C.; Ludwig, R.; Nouroozi, R.; Weber, H.G.; Petermann, K.; Sohler, W.; Schubert, C.
Conference Paper
2007Field trial on 107 Gbit/s transmission with pure electrical time division multiplex over 160 km
Derksen, R.H.; Schubert, C.; Jansen, S.; Zhou, X.; Birk, M.
Conference Paper
2007Geschwindigkeitsrekord auf der Datenautobahn
Schmidt-Langhorst, C.; Schubert, C,; Ludwig, R.; Weber, H.G.
Journal Article
2007Integrated 100-Gb/s ETDM receiver
Schubert, C.; Derksen, R.H.; Moller, M.; Ludwig, R.; Weiske, C.-J.; Lutz, J.; Ferber, S.; Kirstadter, A.; Lehmann, G.; Schmidt-Langhorst, C.
Journal Article
2007Optimization of SBS-suppression for 320 Gbit/s DQPSK all-optical wavelength conversion
Hüttl, B.; Gual i Coca, A.; Elschner, R.; Bunge, C.-A.; Petermann, K.; Schmidt-Langhorst, C.; Ludwig, R.; Schubert, C.
Conference Paper
2007Optische Zeitmultiplex-Technik für 160 Gbit/s und 640 Gbit/s (OPTIK)
Weber, H.-G.; Berger, J.; Börner, C.; Dietrich, E.; Ehrke, H.-J.; Ferber, S.; Hilliger, E.; Knupke, H.; Küller, L.; Kroh, M.; Ludwig, R.; Marembert, V.; Schmidt-Langhorst, C.; Schubert, C.
Project Report
2007Phase-preserving 2R-regeneration of an 80-GB/s RZ-DQPSK signal by using a nonlinear amplifying loop mirror
Cvecek, K.; Sponsel, K.; Stephan, C.; Ludwig, R.; Schubert, C.; Onishchukov, G.; Schmauss, B.; Leuchs, G.
Conference Paper
2007Photoreceivers for 100 Gbit/s Applications
Umbach, A.; Unterborsch, G.; Bach, H.-G.; Schubert, C.; Derksen, R.H.; Sinsky, J.H.
Conference Paper
2007Silicon-on-insulator (SOI) delay-line interferometer with low polarization-dependent frequency shift for 40 Gbit/s DPSK demodulation
Zimmermann, L.; Voigt, K.; Winzer, G.; Mitze, T.; Bruns, J.; Petermann, K.; Richter, T.; Schubert, C.
Conference Paper
2007SOI delay interferometer with tuned polarization dependent wavelength shift for 40 Gbit/s DPSK demodulation
Voigt, K.; Zimmermann, L.; Winzer, G.; Mitze, T.; Bruns, J.; Petermann, K.; Schubert, C.
Conference Paper
2007Transmission Systems beyond 100 Gbit/s
Ludwig, R.; Schmidt-Langhorst, C.; Hüttl, B.; Schubert, C.; Weisser, S.; Raddatz, L.
Conference Paper
2007Ultrafast optical transmission technologies
Ludwig, R.; Schmidt-Langhorst, C.; Schubert, C.; Hüttl, B.; Weber, H.-G.
Conference Paper
2007Unrepeated Transmission of 160 Gb/s RZ-DPSK over 293 km Dispersion Managed Fiber using Optimized Raman Amplification and Advanced Forward-Error-Correction
Ludwig, R.; Weisser, S.; Schmidt-Langhorst, C.; Raddatz, L.; Schubert, C.
Conference Paper
2007Unrepeatered transmission of 160 Gb/s RZ-DPSK over 240 km dispersion managed fiber
Ludwig, R.; Weisser, S.; Schmidt-Langhorst, C.; Raddatz, L.; Schubert, C.
Conference Paper
2006107 Gbit/s transmission using an integrated ETDM receiver
Schubert, C.; Derksen, R.H.; Möller, M.; Ludwig, R.; Weiske, C.-J.; Lutz, J.; Ferber, S.; Schmidt-Langhorst, C.
Conference Paper
2006160 Gbit/s all-optical OOK to DPSK in-line format conversion
Schmidt-Langhorst, C.; Ludwig, R.; Galili, M.; Hüttl, B.; Futami, F.; Watanabe, S.; Schubert, C.
Conference Paper
20062000 km DWDM transmission of 85.2 Gbit/s DQPSK data with 100 GHz channel spacing over non-zero dispersion shifted fiber
Weisser, S.; Raddatz, L.; Ludwig, R.; Schubert, C.
Conference Paper
20065.4 bit/s (64*85.2) Gbit/s DQPSK transmission with 100 Ghz channel spacing over 2000 km non-zero dispersion shifted fiber
Ludwig, R.; Schubert, C.; Weisser, S.; Raddatz, L.
Conference Paper
2006Automatic compensation of PMD and chromatic dispersion in a 160 Gb/s transmission experiment
Kieckbusch, S.; Schmidt-Langhorst, C.; Ferber, S.; Schubert, C.; Brinkmeyer, E.; Weber, H.-G.
Conference Paper
2006High frequency signal amplification using quantum dot semiconductor optical amplifiers at 1.3 µm
Meuer, C.; Lämmlin, M.; Fiol, G.; Kuntz, M.; Ledentsov, N.N.; Kovsh, A.R.; Ferber, S.; Schubert, C.; Steffan, A.; Umbach, A.; Bimberg, D.
Conference Paper
2006High-speed quantum dot lasers and amplifiers for optical data communication
Kuntz, M.; Fiol, G.; Szewc, C.; Lämmlin, M.; Meuer, C.; Bimberg, D.; Kovsh, A.; Ledentsov, N.; Ferber, S.; Schubert, C.; Jacob, A.; Steffan, A.; Umbach, A.
Conference Paper
2006High-speed transmission based on a 40 Gbaud DQPSK system
Schubert, C.; Ferber, S.; Ludwig, R.; Schmidt-Langhorst, C.; Weber, H.G.
Conference Paper
2006Integrated 100 Gbit/s ETDM receiver in a transmission experiment over 480 km DMF
Derksen, R.H.; Lehmann, G.; Weiske, C.-J.; Schubert, C.; Ludwig, R.; Ferber, S.; Schmidt-Langhorst, C.; Lutz, J.; Möller, M.
Conference Paper
2006Investigation of fiber based gates for time division demultiplexing up to 640 Gbit/s
Marembert, V.; Schubert, C.; Schmidt-Langhorst, C.; Kroh, M.; Ferber, S.; Weber, H.G.
Conference Paper
2006Quantum dot based photonic devices at 1.3 m: Direct modulation, mode-locking, SOAs and VCSELs
Laemmlin, M.; Fiol, G.; Kuntz, M.; Hopfer, F.; Mutig, A.; Ledentsov, N.N.; Kovsh, A.R.; Schubert, C.; Jacob, A.; Umbach, A.; Bimberg, D.
Conference Paper, Journal Article
2006Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission
Weber, H.G.; Ferber, S.; Kroh, M.; Schmidt-Langhorst, C.; Ludwig, R.; Marembert, V.; Boerner, C.; Futami, F.; Watanabe, S.; Schubert, C.
Journal Article
2006Single channel transmission beyond 1 Tbit/s
Schubert, C.; Ludwig, R.; Ferber, S.; Schmidt-Langhorst, C.; Hüttl, B.; Weber, H.G.
Conference Paper
2006Single channel transmission beyond 1 Tbit/s
Ludwig, R.; Ferber, S.; Schubert, C.; Schmidt-Langhorst, C.; Hüttl, B.; Weber, H.G.
Conference Paper
2006Single channel transmission beyond 1 Tbit/s
Ludwig, R.; Ferber, S.; Schubert, C.; Schmidt-Langhorst, C.; Hüttl, B.; Weber, H.G.
Conference Paper
2006Terabit transmission on a single wavelength channel
Schubert, C.; Schmidt-Langhorst, C.; Ludwig, R.; Ferber, S.; Hüttl, B.; Weber, H.G.
Conference Paper
2006Transmitter enabling ultra-high speed transmission of phase modulated data signals up to 640 Gbit/s
Kroh, M.; Ferber, S.; Schmidt-Langhorst, C.; Marembert, V.; Schubert, C.; Ludwig, R.; Weber, H.G.
Conference Paper
2006Ultrafast transmission technology
Ludwig, R.; Ferber, S.; Schubert, C.; Schmidt-Langhorst, C.; Hüttl, B.; Weber, H.G.
Conference Paper
2006Ultrahigh-speed OTDM-transmission technology
Weber, H.G.; Ludwig, R.; Ferber, S.; Schmidt-Langhorst, C.; Kroh, M.; Marembert, V.; Boerner, C.; Schubert, C.
Journal Article
200510 Gbit/s data modulation using 1.3 mu m InGaAs quantum dot lasers
Kuntz, M.; Fiol, G.; Lammlin, M.; Schubert, C.; Kovsh, A.R.; Jacob, A.; Umbach, A.; Bimberg, D.
Journal Article
2005160 Gbit/s DPSK transmission over 320 km fibre link with high long-term stability
Ferber, S.; Ludwig, R.; Boerner, C.; Schubert, C.; Schmidt-Langhorst, C.; Kroh, M.; Marembert, V.; Weber, H.G.
Journal Article
2005160 Gbit/s OTDM long-haul transmission with long-term stability using RZ-DPSK modulation format
Ferber, S.; Schmidt-Langhorst, C.; Ludwig, R.; Boerner, C.; Schubert, C.; Marembert, V.; Kroh, M.; Weber, H.-G.
Journal Article
2005160 Gbit/s transmission systems, ready for operation?
Ludwig, R.; Ferber, S.; Boerner, C.; Schubert, C.; Schmidt-Langhorst, C.; Kroh, M.; Marembert, V.; Weber, H.G.
Conference Paper
2005160 Gbit/s transmission with long-term stability
Ferber, S.; Schmidt-Langhorst, C.; Ludwig, R.; Boerner, C.; Schubert, C.; Marembert, V.; Kroh, M.; Weber, H.-G.
Conference Paper
2005320 Gbit/s clock recovery with electro-optical PLL using a bidirectionally operated electroabsorption modulator as phase comparator
Boerner, C.; Marembert, V.; Ferber, S.; Schubert, C.; Schmidt-Langhorst, C.; Ludwig, R.; Weber, H.G.
Conference Paper
200540 GHz semiconductor mode-locked laser pulse source for 160 Gbit/s RZ-DPSK data transmission
Schubert, C.; Ferber, S.; Kroh, M.; Schmidt-Langhorst, C.; Ludwig, R.; Hüttl, B.; Kaiser, R.; Weber, H.G.
Conference Paper
2005640 Gbit/s DQPSK single-channel transmission over 480 km fibre link
Ferber, S.; Schubert, C.; Ludwig, R.; Boerner, C.; Schmidt-Langhorst, C.; Weber, H.G.
Conference Paper
2005640 Gbit/s DQPSK, single wavelength-channel transmission over 480 km fibre link
Ferber, S.; Schubert, C.; Ludwig, R.; Boerner, C.; Schmidt-Langhorst, C.; Weber, H.G.
Journal Article
200580 Gbit/s DPSK transmission over 480 km dispersion-managed fibre with balanced detection ETDM receiver
Ludwig, R.; Lee, W.S.; Schubert, C.; Ferber, S.; Börner, C.; Schmidt-Langhorst, C.; Weber, H.G.
Conference Paper
2005Design optimization of ultra-high bit-rate NOLM-based OTDM demultiplexers
Melo, A.M.; Marembert, V.; Schubert, C.; Schmidt-Langhorst, C.; Petermann, K.
Conference Paper
2005GaN/AlGaN HEMTs for highly linear communication applications in L-frequency band
Quay, R.; Würfl, J.; Wiegner, D.; Fischer, G.; Schubert, C.; Magerl, G.
Conference Paper
2005High-speed optical signal processing using semiconductor optical amplifiers
Schubert, C.; Ludwig, R.; Weber, H.-G.
Journal Article
2005Investigations of fiber Kerr switch. Nonlinear phase shift measurements and optical time-division demultiplexing of 320 Gbit/s DPSK signals
Marembert, V.; Schubert, C.; Weinert, C.; Weber, H.G.; Schulze, K.; Futami, F.; Watanabe, S.
Conference Paper
2005Optical 40 GHz pulse source module based on a monolithically integrated mode locked DBR laser
Hüttl, B.; Kaiser, R.; Kroh, M.; Schubert, C,; Jacumeit, G.; Heidrich, H.
Conference Paper
2005Optical sampling system including clock recovery for 320 Gbit/s DPSK and OOK data signals
Schmidt-Langhorst, C.; Schubert, C.; Boerner, C.; Marembert, V.; Ferber, S.; Ludwig, R.; Weber, H.G.
Conference Paper
2005Optical sampling technologies and applications
Schmidt-Langhorst, C.; Schubert, C.; Boerner, C.; Ludwig, R.
Conference Paper
2005Quantum dot photonics: Edge emitter, amplifier and VCSEL
Hopfer, F.; Kuntz, M.; Lämmlin, M.; Ledentsov, N.N.; Kovsh, A.R.; Mikhrin, S.S.; Kaiander, I.; Haisler, V.; Lochmann, A.; Mutig, A.; Schubert, C.; Grote, N.; Umbach, A.; Ustinov, V.M.; Pohl, U.W.; Bimberg, D.
Conference Paper
2005Reduction of pattern effects in an SOA-based 40 Gb/s wavelength converter
Marembert, V.; Schubert, C.; Weber, H.G.; Melo, A.M.; Randel, S.; Petermann, K.
Conference Paper
2005Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission
Weber, H.G.; Ferber, S.; Kroh, M.; Schmidt-Langhorst, C.; Ludwig, R.; Marembert, V.; Boerner, C.; Futami, F.; Watanabe, S.; Schubert, C.
Conference Paper
2005Technologies enabling ultrahigh speed transmission
Ludwig, R.; Ferber, S.; Boerner, C.; Schubert, C.; Schmidt-Langhorst, C.; Kroh, M.; Marembert, V.; Weber, H.G.
Conference Paper
2005Time division add-drop multiplexing up to 320 Gbit/s
Schubert, C.; Schmidt-Langhorst, C.; Schulze, K.; Marembert, V.; Weber, H.G.
Conference Paper
2004Direct modulation and mode locking of 1.3 µm quantum dot lasers
Kuntz, M.; Fiol, G.; Lämmlin, M.; Bimberg, D.; Thompson, M.G.; Tan, K.T.; Marinelli, C.; Wonfor, A.; Sellin, R.; Penty, R.V.; White, I.H.; Ustinov, V.M.; Zhukov, A.E.; Shernyakov, Y.M.; Kovsh, A.R.; Ledentsov, N.N.; Schubert, C.; Marembert, V.
Journal Article
2004High-speed optical signal processing and data transmission
Weber, H.G.; Ludwig, R.; Ferber, S.; Boerner, C.; Schubert, C.; Schmidt-Langhorst, C.; Hilliger, E.; Kroh, M.; Marembert, V.
Conference Paper
2004The influence of gain and phase dynamics in the integrated GS-SOA on the switching performance of the monolithically integrated GS-MZI
Tekin, T.; Schlak, M.; Schmidt, C.; Schubert, C.
Conference Paper
2004Interferometric gates for all-optical signal processing
Schubert, C.
: Eichler, H.-J. (Prüfer); Weber, H.-G. (Prüfer)
Dissertation
2004Novel scheme for ultrafast all-optical XOR operation
Randel, S.; Melo, A.M. de; Petermann, K.; Marembert, V.; Schubert, C.
Journal Article
2004Ultrafast all-optical 3R-regeneration
Watanabe, S.; Ludwig, R.; Futami, F.; Schubert, C.; Ferber, S.; Boerner, C.; Schmidt-Langhorst, C.; Berger, J.; Weber, H.-G.
Journal Article
2004Ultrafast technologies in 160 Gbit/s transmission systems
Schmidt-Langhorst, C.; Schubert, C.; Boerner, C.; Ferber, S.; Ludwig, R.; Berger, J.; Hilliger, E.; Marembert, V.; Kroh, M.; Ehrke, H.-J.; Weber, H.-G.
Conference Paper
2003160 Gbit/s clock recovery with electro-optical PLL using a bidirectionally operated electroabsorption modulator as phase comparator
Börner, C.; Schubert, C.; Schmidt, C.; Hilliger, E.; Marembert, V.; Berger, J.; Ferber, S.; Dietrich, E.; Ludwig, R.; Schmauss, B.; Weber, H.G.
Conference Paper
2003160 Gbit/s clock recovery with electro-optical PLL using bidirectionally operated electroabsorption modulator as phase comparator
Boerner, C.; Schubert, C.; Schmidt, C.; Hilliger, E.; Marembert, V.; Berger, J.; Ferber, S.; Dietrich, E.; Ludwig, R.; Schmauss, B.; Weber, H.G.
Journal Article
2003160 Gbit/s error-free all-optical demultiplexing using monolithically integrated band gap shifted Mach-Zehnder interferometer
Tekin, T.; Schubert, C.; Berger, J.; Schlak, M.; Maul, B.; Brinker, W.; Molt, R.; Ehlers, H.
Conference Paper
2003160 Gbit/s optical 3R-regenerator in a fiber transmission experiment
Watanabe, S.; Futami, F.; Okabe, R.; Takita, Y.; Ferber, S.; Ludwig, R.; Schubert, C.; Schmidt, C.; Weber, H.G.
Conference Paper
2003Comparison of DPSK and OOK modulation format in 160 Gbit/s transmission system
Ferber, S.; Ludwig, R.; Boerner, C.; Wietfeld, A.; Schmauss, B.; Berger, J.; Schubert, C.; Unterbörsch, G.; Weber, H.G.
Journal Article
2003Error-free all-optical add-drop multiplexing at 160 Gbit/s
Schubert, C.; Schmidt, C.; Ferber, S:; Ludwig, R.; Weber, H.G.
Journal Article
2003Monolithically integrated balanced photodetector and its application in OTDM 160 Gbit/s DPSK transmission
Beling, A.; Bach, H.G.; Schmidt, D.; Mekonnen, G.G.; Ludwig, R.; Ferber, S.; Schubert, C,; Börner, C.; Schmauss, B.; Berger, J.; Schmidt, C.; Troppenz, U.; Weber, H.G.
Journal Article
2003Phase dynamics of semiconductor optical amplifiers at 10-40 GHz
Schares, L.; Schubert, C.; Schmidt, C.; Weber, H.G.; Occhi, L.; Guekos, G.
Journal Article
2003Siliciumnitrid-Werkstoffe mit niedrigem Reibungskoeffizienten
Schulz, I.; Herrmann, M.; Reich, T.; Schubert, C.
Journal Article
2002160 Gbit/s error-free all-optical demultiplexing using monolithically integrated band gap shifted Mach-Zehnder interferometer (GS-MZI)
Tekin, T.; Schubert, C.; Berger, J.; Schlak, M.; Maul, B.; Brinker, W.; Molt, R.; Ehlers, H.; Gravert, M.; Nolting, H.P.; Sawchuk, A.
Conference Paper
2002160 Gbit/s wavelength converter with 3R-regenerating capability
Schubert, C.; Ludwig, R.; Watanabe, S.; Futami, E.; Schmidt, C.; Berger, J.; Boerner, C.; Ferber, S.; Weber, H.G.
Journal Article
200240 GHz optical clock extraction from 160 Gbit/s data signals using PLL-based clock recovery
Yamamoto, T.; Schmidt, C.; Dietrich, E.; Schubert, C.; Berger, J.; Ludwig, R.; Weben, H.G.
Conference Paper
2002Characterization of switching windows of an 160-Gb/s all-optical demultiplexer with database rates of 10 and 40 Gb/s
Toptchiyski, G.; Randel, S.; Petermann, K.; Schubert, C.; Berger, J.; Weber, H.G.
Journal Article
2002Comparison of interferometric all-optical switches for demultiplexing applications in high-speed OTDM systems
Schubert, C.; Berger, J.; Diez, S.; Ehrke, H.J.; Ludwig, R.; Feiste, U.; Schmidt, C.; Weber, H.G.; Toptchiyski, G.; Randel, S.; Petermann, K.
Journal Article
2002Complete optical sampling system with broad gap-free spectral range for 160 Gbit/s and 320 Gbit/s and its application in a transmission system
Schmidt, C.; Futami, F.; Watanabe, S.; Yamamoto, T.; Schubert, C.; Berger, J.; Kroh, M.; Ehrke, H.-J.; Dietrich, E.; Börner, C.; Ludwig, R.; Weber, H.G.
Conference Paper
2002Enabling transmission at 160 Gbit/s
Ludwig, R.; Feiste, U.; Schmidt, C.; Schubert, C.; Berger, J.; Hilliger, E.; Kroh, M.; Yamamoto, T.; Weinert, C.M.; Weber, H.G.
Conference Paper
2002Optical Q-factor monitoring at 160 Gb/s using an optical sampling system in an 80 km transmission experiment
Schmidt, C.; Schubert, C.; Berger, J.; Kroh, M.; Ehrke, H.-J.; Dietrich, E.; Börner, C.; Ludwig, R.; Weber, H.G.; Futami, F.; Watanabe, S.; Yamamoto, T.
Conference Paper
2001160 Gb/s all-optical demultiplexer using a hybrid gain-transparent SOA Mach-Zehnder-interferometer
Diez, S.; Schubert, C,; Ludwig, R.; Ehrke, H.-J.; Feiste, U.; Schmidt, C.; Weber, H.G.
Conference Paper
2001160 Gb/s all-optical demultiplexing using a gain-transparent ultrafast-nonlinear interferometer
Diez, S.; Schubert, C.; Feiste, U.; Ludwig, R.; Berger, J.; Weber, H.G.
Conference Paper
2001160 Gbit/s demultiplexer with clock recovery using SOA-based interferometric switches and its application to 120 km fiber transmission
Yamamoto, T.; Feiste, U.; Berger, J.; Schubert, C.; Schmidt, C.; Ludwig, R.; Weber, H.G.
Conference Paper
2001160 Gbit/s field transmission over 116 km standard single mode fibre using 160 Gbit/s OTDM and 40 Gbit/s ETDM demultiplexer
Feiste, U.; Ludwig, R.; Schubert, C.; Berger, J.; Schmidt, C.; Weber, H.G.; Schmauss, B.; Munk, A.; Buchold, B.; Briggmann, D.; Kueppers, F.; Rumpf, F.
Journal Article
2001160 Gbit/s transmission over 116 km field-installed fiber using 160 Gbit/s OTDM and 40 Gbit/s ETDM
Feiste, U.; Ludwig, R.; Schubert, C.; Berger, J.; Schmidt, C.; Weber, H.G.
Conference Paper
2001160 Gbit/s transmission over 116 km field-installed fibre using 160 Gbit/s OTDM and 40 Gbit/s ETDM
Feiste, U.; Ludwig, R.; Schubert, C.; Berger, J.; Schmidt, C.; Weber, H.G.; Schmauss, B.; Munk, A.; Buchold, B.; Briggmann, D.; Kueppers, F.; Rumpf, F.
Journal Article
2001160-Gb/s all-optical demultiplexing using a gain-transparent ultrafast-nonlinear interferometer (GT-UNI)
Schubert, C.; Diez, S.; Berger, J.; Ludwig, R.; Feiste, U.; Weber, H.G.; Toptchiyski, G.; Petermann, K.; Krajinovic, V.
Journal Article
2001160-Gb/s polarization insensitive all-optical demultiplexing using a gain-transparent ultrafast nonlinear interferometer (GT-UNI)
Schubert, C.; Berger, J.; Feiste, U.; Ludwig, R.; Schmidt, C.; Weber, H.G.
Journal Article
2001All-optical demultiplexing performance of monolithically integrated GS-MZI module
Tekin, T.; Ehlers, H.; Schlak, M.; Berger, J.; Schubert, C.; Maul, B.; Ziegler, R.
Conference Paper
2001All-optical demultiplexing using monolithically integrated Mach-Zehnder interferometer based on band gap shifted semiconductor optical amplifier
Tekin, T.; Schlak, M.; Brinker, W.; Berger, J.; Schubert, C.; Maul, B.; Molt, R.
Conference Paper
2001Clock recovery from 160 Gbit/s data signals using phase-locked loop with interferometric optical switch based on semiconductor optical amplifier
Yamamoto, T.; Oxenlowe, L.K.; Schmidt, C.; Schubert, C.; Hilliger, E.; Feiste, U.; Berger, J.; Ludwig, R.; Weber, H.G.
Journal Article
2001Experimental verification of noise squeezing by an optical intensity filter in high-speed transmission
Ludwig, R.; Sizmann, A.; Feiste, U.; Schubert, C.; Kroh, M.; Weinert, C.M.; Weber, H.G.
Conference Paper
2001High bit rate OTDM-transmission on standard fibre
Weinert, C.M.; Berger, J.; Feiste, U.; Hilliger, E.; Konrad, B.; Kroh, M.; Ludwig, R.; Petermann, K.; Schmidt, C.; Schubert, C.; Weber, H.G.; Yamamoto, T.
Journal Article
2001Nonlinear optical intensity filters: Experiment and design rules
Weinert, C.M.; Sizmann, A.; Ludwig, R.; Schubert, C.; Feiste, U.; Weber, H.G.
Conference Paper
2001Optimization of SOA-based Sagnac-interferometer switches for demultiplexing to 10 and 40 Gb/s
Diez, S.; Hilliger, E.; Korh, M.; Schmidt, C.; Schubert, C.; Weber, H.G.; Occhi, L.; Schares, L.; Guekos, G.; Oxenlowew, L.K.
Journal Article
2001Si3N4/MoSi2 Composite with superior long-term oxidation Resistance at 1500°C
Klemm, H.; Schubert, C.
Journal Article
2001Some new aspects of microstructural design of Beta-Si3N4 ceramics
Herrmann, M.; Schulz, I.; Hermel, W.; Schubert, C.; Wendt, A.
Journal Article
2001Ultrafast all-optical demultiplexing performance of monolithically integrated band gap shifted Mach-Zehnder interferometer
Tekin, T.; Schlak, M.; Brinker, W.; Berger, J.; Schubert, C.; Maul, B.; Molt, R.
Conference Paper
2000160 Gbit/s all-optical demultiplexing using hybrid gain-transparent SOA Mach-Zehnder interferometer
Diez, S.; Schubert, C.; Ludwig, R.; Ehrke, H.-J.; Feiste, U.; Schmidt, C.; Weber, H.G.
Journal Article
2000Analysis of switching windows in a gain-transparent SLALOM configuration
Toptchiyski, G.; Randel, S.; Petermann, K.; Diez, S.; Hilliger, E.; Schmidt, C.; Schubert, C.; Ludwig, R.; Weber, H.G.
Journal Article
2000High temperature oxidation and corrosion of silicon-based non-oxide ceramics
Klemm, H.; Herrmann, M.; Schubert, C.
Journal Article
2000High-temperature oxidation of non-oxide ceramics
Klemm, H.; Schubert, C.; Hermel, W.
Conference Paper
2000High-temperature properties of Si3N4/SiC microcomposites
Klemm, H.; Herrmann, M.; Schubert, C.
Journal Article
2000Silicon nitride based hard materials
Herrmann, M.; Klemm, H.; Schubert, C.
Book Article
2000Unrepeatered 160 Gbit/s RZ single channel transmission over 160 km of standard fiber at 1.55 mu m with hybrid MZI optical DEMUX
Ludwig, R.; Feiste, U.; Diez, S.; Schubert, C.; Schmidt, C.; Ehrke, H.J.; Weber, H.G.
Conference Paper
2000Unrepeatered 160 Gbit/s RZ single-channel transmission over 160 km of standard fibre at 1.55 mu m with hybrid MZI optical demultiplexer
Ludwig, R.; Feiste, U.; Diet, S.; Schubert, C.; Schmidt, C.; Ehrke, H.J.; Weber, H.G.
Journal Article
2000Verfahren zur Herstellung feinstkristalliner Siliciumnitridpulver
Herrmann, M.; Schulz, I.; Schubert, C.
Patent
1999Dichter Siliziumnitrid-Kompositwerkstoff und Verfahren zu seiner Herstellung
Klemm, H.; Herrmann, M.; Tangermann, K.; Schubert, C.
Patent
1999Formkoerper aus keramischem, pulvermetallurgischem oder Verbundwerkstoff und Verfahren zu seiner Herstellung
Lenk, R.; Adler, J.; Schubert, C.; Teichgräber, M.
Patent
1999Grundlagen der Gefügeausbildung in Siliciumnitridwerkstoffen
Herrmann, M.; Schubert, C.
Book Article
1999Keramische Werkstoffe für Hochtemperaturanwendungen
Klemm, H.; Schubert, C.
Journal Article
1999Keramische Werkstoffe mit biogenen Strukturen
Kleber, S.; Hermel, W.; Schubert, C.
Conference Paper
1999Korrosionsverhalten von Hochleistungskeramiken in wässrigen Medien
Herrmann, M.; Michael, G.; Schubert, C.; Hermel, W.
Conference Paper
1999Long-Term Behaviour of SiC/Si3N4-Nanocomposites at 1400-1500° C
Herrmann, M.; Klemm, H.; Schubert, C.; Hermel, W.
Conference Paper, Journal Article
1999Oxidationsverhalten von Si3N4-SiC-Mikrokompositwerkstoffen
Hermel, W.; Herrmann, M.; Schubert, C.; Klemm, H.
Conference Paper
1999Potential keramischer Werkstoffe für einen Einsatz in der Heißgasturbine
Klemm, H.; Schubert, C.; Taut, C.
Conference Paper
1999SiC/Si3N4-nanocomposites with excellent high temperature long-term behaviour
Herrmann, M.; Klemm, H.; Göbel, B.; Schubert, C.; Hermel, W.
Conference Paper, Journal Article
1999Siliciumnitridwerkstoff und Verfahren zu seiner Herstellung
Herrmann, M.; Schulz, I.; Zalite, I.; Schubert, C.; Ziegler, G.; Berndt, F.
Patent
1999Siliciumnitridwerkstoffe mit niedrigem Reibkoeffizienten und hohem Verschleißwiderstand
Herrmann, M.; Schulz, I.; Schubert, C.; Hermel, W.; Zalite, I.; Mucha, A.
Conference Paper
1999Silicon nitride materials with low friction coefficients
Herrmann, M.; Schulz, I.; Schubert, C.; Hermel, W.
Conference Paper
1998Farbiger Siliciumnitridwerkstoff und Verfahren zu seiner Herstellung
Herrmann, M.; Schubert, C.; Klemm, H.; Goeb, O.
Patent
1998Gesinterter polykristalliner Werkstoff sowie Verfahren zu dessen Herstellung
Frassek, L.; Woetting, G.; Schubert, C.; Klemm, H.
Patent
1998High Temperature Properties of mixed alpha/beta-SIALON Materials
Klemm, H.; Herrmann, M.; Reich, T.; Schubert, C.; Frassek, L.; Wötting, G.; Gugel, E.; Nietfeld, G.
Journal Article
1998Kochgefaess und Verfahren zu seiner Herstellung
Bogdanski, F.; Ose, L.; Herrmann, M.; Schubert, C.
Patent
1998Molecular mechanisms of invasion and metastasis of endometrial adenocarcinoma cells
Hopert, A.-C.; Zierau, O.; Tüshaus, L.; Schubert, C.; Strunck, E.; Deerberg, F.; Vollmer, G.
Journal Article
1998Ultrafine Si3N4 material with low coefficients of friction and wear rates
Herrmann, M.; Schulz, I.; Schubert, C.; Zalite, I.; Ziegler, G.
Journal Article
1998Verfahren zur Herstellung eines Koerpers aus einem Silicium enthaltenden, nichtoxidischen Werkstoff und nach dem Verfahren hergestellter Koerper
Herrmann, M.; Schubert, C.; Klemm, H.; Tangermann, K.
Patent
1997Hochtemperaturverhalten von Si3N4/SiC-Mikrocompositwerkstoffen
Klemm, H.; Herrmann, M.; Schubert, C.
Conference Paper
1997Long-therm behaviour of SiC/Si3N4-nanocomposites at 1400-1500 deg C
Herrmann, M.; Klemm, H.; Schubert, C.; Hermel, W.
Journal Article
1997Silicon nitride composite materials with an improved high temperature oxidation resistance
Klemm, H.; Herrmann, M.; Schubert, C.
Journal Article
1997Verfahren zur Herstellung einer Siliziumnitridkeramik
Herrmann, M.; Krell, A.; Schubert, C.
Patent
1997Verfahren zur Herstellung eines hoch- und verschleissfesten BN-enthaltenden Si3N4-Werkstoffs, der Werkstoff und seine Verwendung
Herrmann, M.; Schubert, C.
Patent
1997Verfahren zur Herstellung von Siliziumnitridsinterkoerpern hoher Festigkeit und Zaehigkeit
Herrmann, M.; Kessler, S.; Schubert, C.
Patent
1996The influence of grain boundary phase composition on the high temperature properties of Si3N4 materials
Klemm, H.; Herrmann, M.; Schubert, C.
Conference Paper
1996The influence of molybdenum silicide additions on high-temperature oxidation resistance of silicon nitride materials
Klemm, H.; Tangermann, K.; Schubert, C.; Hermel, W.
Journal Article
1996Modifizierung und Charakterisierung von Siliciumnitrid-Werkstoffentwicklungsvarianten hinsichtlich Langzeit-Hochtemperaturbeständigkeit
: Schubert, C.
Research Report
1996Problems and prospects of Si3N4 materials for applications at temperatures above 1400 deg C
Klemm, H.; Herrmann, M.; Schubert, C.; Hermel, W.
Journal Article
1995Herstellung von Werkstoffen aus biogenen Rohstoffen
Kleber, S.; Hermel, W.; Schubert, C.
Conference Paper
1994Ceramic membranes with high physical and chamical stability based on SiC and Si3N4
Schubert, C.; Adler, J.; Klose, T.
Conference Paper
1994Charakterisierung des Gefüges anisotroper Si3N4-Materialien
Hermann, M.; Obernaus, P.; Schubert, C.; Keßler, S.; Stephan, D.
Journal Article
1994Hochtemperaturcharakterisierung von Siliziumnitridwerkstoffen durch dynamische Ermüdung
Klemm, H.; Herrmann, M.; Reich, T.; Schubert, C.
Journal Article
1994Korrelationen in der Kette Pulvereigenschaften - Processing - Werkstoff- und Bauteileigenschaften
Hermel, W.; Schubert, C.; Richter, H.J.
Journal Article
1994Microstructure and properties of SiCN-nanocomposites
Herrmann, M.; Klemm, H.; Schubert, C.; Hermel, W.; Millers, T.; Rendtel, A.
Book Article
1994Microstructure and properties of SiCN-nanocomposites
Herrmann, M.; Klemm, H.; Schubert, C.; Hermel, W.; Millers, T.; Rendtel, A.
Conference Paper
1994Prototyping in der Ingenieurkeramik - Randbedingungen und Realisierung
Schubert, C.; Richter, C.
Conference Paper
1994Silicon nitride materials featured by superior creep and fracture resistance at 1400 degree
Klemm, H.; Herrmann, M.; Reich, T.; Schubert, C.
Conference Paper
1994Silicon nitride materials featured by superior creep and fracture resistance at 1400 degree Celsius
Klemm, H.; Herrmann, M.; Reich, T.; Schubert, C.
Book
1994Stand und Entwicklungstendenzen bei keramischen Hochleistungswerkstoffen -Strukturkeramik-
Hermel, W.; Schubert, C.
Conference Paper
1994Synthese, Kristallisation und Sinterverhalten von nanoscaligen Siliciumcarbonitridpulvern
Boden, G.; Herrmann, M.; Schubert, C.
Conference Paper
1993Densification microstructure and properties of Si3N4-TI-C,N-composites
Herrmann, M.; Balzer, B.; Schubert, C.; Hermel, W.
Journal Article
1993Densification, microstructure and properties of SiCN-nanocomposites
Herrmann, M.; Millers, T.; Rendtel, A.; Reich, T.; Boden, G.; Schubert, C.
Conference Paper
1993Have the limits of the development of Beta-Si3N4-materials already been reached?
Hermel, W.; Herrmann, M.; Schubert, C.
Conference Paper
1993Microstructure, mechanical properties and wear of Si3N4/TiN composites
Herrmann, M.; Beger, A.; Schubert, C.; Hermel, W.; Meißner, E.; Ziegler, G.
Conference Paper
1993Powder properties influencing the densification kinetics of hot-pressed Si3N4
Pabst, J.; Boden, G.; Gerlach, U.; Heinze, W.; Herrmann, M.; Schubert, C.
Journal Article
1991Verfahren zur Herstellung von polykristallinen Siliziumnitrid- oder Siliziumcarbidsinterkoerpern
Gerlach, U.; Klemm, H.; Schubert, C.; Herrmann, M.
Patent
1980An interactive line creation method using B-splines
Creutz, G.; Schubert, C.
Journal Article