Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019PEM‐Fuel Cell Catalyst Behavior between Room Temperature and Freezing Point
Kunkel, Robin; Baumann, Nils; Jurzinsky, Till; Cremers, Carsten
Journal Article
2018The WASCAL hydrometeorological observatory in the Sudan savanna of Burkina Faso and Ghana
Bliefernicht, J.; Berger, S.; Salack, S.; Guug, S.; Hingerl, L.; Heinzeller, D.; Mauder, M.; Steinbrecher, R.; Steup, G.; Bossa, A.Y.; Waongo, M.; Quansah, E.; Balogun, A.A.; Yira, Y.; Arnault, J.; Wagner, Sven; Klein, C.; Gessner, U.; Knauer, K.; Straub, A.; Schönrock, R.; Kunkel, R.; Okogbue, E.C.; Rogmann, A.; Neidl, F.; Jahn, C.; Diekkrüger, B.; Aduna, A.; Barry, B.; Kunstmann, H.
Journal Article
2012100 Gb/s photoreceivers for short- and long-haul optical communications
Bach, H.G.; Kunkel, R.; Mekonnen, G.G.; Zhang, R.; Schmidt, D.
Conference Paper
2012100 Gb/s photoreceivers for short-and long-haul optical communications
Bach, H.-G.; Kunkel, R.; Mekonnen, G.G.; Zhang, R.; Schmidt, D.
Conference Paper
2012An ultracompact multimode interference wavelength splitter employing asymmetrical multi-section structures
Yao, C.; Bach, H.G.; Zhang, R.Y.; Zhou, G.; Choi, J.H.; Jiang, C.H.; Kunkel, R.
Journal Article
2011100 Gb/s photoreceivers for coherent and direct detection
Bach, H.-G.; Kunkel, R.; Mekonnen, G.G.; Zhang, R.; Schmidt, D.
Conference Paper
2011Design improvements for InP-based 90°-hybrid OEICs for 100GE coherent frontends
Kunkel, R.; Bach, H.-G.; Zhang, R.; Hoffmann, D.; Schmidt, D.; Schell, M.; Ortega-Monux, A.; Romero-Garcia, S.; Molina-Fernandez, I.; Halir, R.
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
2011Performance of InP-based 90° -hybrids QPSK receivers within C-Band
Zhang, R.Y.; Janiak, K.; Bach, H.G.; Kunkel, R.; Seeger, A.; Schubert, S.; Schell, M.; Matiss, A.; Umbach, A.
Conference Paper
2011Übertragungs- und Komponententechnik für 100Gbit/s Systeme
Freund, R.; Velthaus, K.-O.; Kunkel, R.; Schubert, C.; Schell, M.; Nölle, M.
Report
2010Athermal InP-based 90°-hybrid Rx OEICs with pin-PDs >60 GHz for coherent DP-QPSK photoreceivers
Kunkel, R.; Bach, H.-G.; Hoffmann, D.; Mekonnen, G.G.; Zhang, R.; Schmidt, D.; Schell, M.; Monux, A.O.; Halir, R.; Molina-Fernandez, I.
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
2010A micro-pin photodiode-antenna transmitter module for sub-THz applications
Zhang, R.Y.; Bach, H.-G.; Kunkel, R.; Mekonnen, G.G.; Schmidt, D.; Karpuzi, Ö.
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
2010Waveguide-integrated components based 100 Gb/s photoreceivers: From direct to coherent detection
Bach, H.-G.; Kunkel, R.; Mekonnen, G.G.; Zhang, R.; Schmidt, D.
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
2009Coherent CW terahertz systems employing photodiode emitters
Stanze, D.; Bach, H.-G.; Kunkel, R.; Schmidt, D.; Röhle, H.; Schlak, M.; Schell, M.; Sartorius, B.
Conference Paper
2009Coherent detection of a 50 Gb/s QPSK signal using an InP 90 deg hybrid monolithically integrated with balanced photodetectors
Ludwig, R.; Matiss, A; Bach, H.-G.; Molle, L.; Leonhardt, C.C.; Kunkel, R.; Schmidt, D.
Conference Paper
2009Continuous wave terahertz systems exploiting 1.5 µm telecom technologies
Sartorius, B.; Schlak, M.; Stanze, D.; Roehle, H.; Künzel, H.; Schmidt, D.; Bach, H.-G.; Kunkel, R.; Schell, M.
Journal Article
2009First monolithic InP-based 90°-hybrid OEIC comprising balanced detectors for 100GE coherent frontends
Kunkel, R.; Bach, H.-G.; Hoffmann, D.; Weinert, C.M.; Molina-Fernandez, I.; Halir, R.
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
2009Hybrid integrated 40 Gb/s DPSK receiver on SOI
Kroh, M.; Unterbörsch, G.; Tsianos, G.; Ziegler, R.; Steffan, A.G.; Bach, H.-G.; Kreissl, J.; Kunkel, R.; Mekonnen, G.G.; Rehbein, W.; Schmidt, D.; Ludwig, R.; Petermann, K.; Bruns, J.; Mitze, T.; Voigt, K.; Zimmermann, L.
Conference Paper
2009Monolithic 90° hybrid with balanced PIN photodiodes for 100 Gbit/s PM-QPSK receiver applications
Bach, H.-G.; Matiss, A.; Leonhardt, C.C.; Kunkel, R.; Schmidt, D.; Schell, M.; Umbach, A.
Conference Paper
2008Hybrid flip-chip integration of a 40 Gb/s DPSK receiver comprising a balanced photodetector on a DLI-SOI board
Unterborsch, G.; Kroh, M.; Honecker, J.; Steffan, A.G.; Tsianos, G.; Bach, H.-G.; Kreissl, J.; Kunkel, R.; Mekonnen, G.G.; Rehbein, W.; Schmidt, D.; Bruns, J.; Mitze, T.; Voigt, K.; Zimmermann, L.
Conference Paper
2008Integration potential of waveguide-integrated photodiodes
Bach, H.-G.; Kunkel, R.; Mekonnen, G.G.; Pech, D.; Rosin, T.; Schmidt, D.; Gärtner, T.; Zhang, R.
Conference Paper
2008Multimode-Interferenzkoppler und Verfahren zu seiner konstruktiven Ausgestaltung
Kunkel, R.; Schell, M.; Molina-Fernandez, I.; Perez, G.W.; Monux, A.O.
Patent
2007Characterization of THz emitter based on a high-speed p-i-n photodiode
Schoenherr, D.; Sydlo, C.; Goebel, T.; Feiginov, M.; Hartnagel, H.L.; Meissner, P.; Bach, H.-G.; Kunkel, R.; Mekonnen, G.G.; Zhang, R.
Conference Paper
2007High-frequency performance of a high-power traveling wave photodetector with parallel optical feed
Beling, A.; Bach, H.-G.; Mekonnen, G.G.; Kunkel, R.; Schmidt, D.; Campbell, J.C.
Conference Paper
2007High-Power Parallel-Fed Traveling Wave Photodetector Module for >100 GHz Applications
Beling, A.; Campbell, J.C.; Bach, H.-G.; Mekonnen, G.G.; Kunkel, R.; Eckhardt, T.; Schmidt, D.
Conference Paper
2007High-speed miniaturized photodiode and parallel-fed traveling-wave photodetectors based on InP
Beling, A.; Bach, H.-G.; Mekonnen, G.G.; Kunkel, R.; Schmidt, D.
Journal Article
2007Monolithic Integration of a Waveguide-Integrated p-i-n-Photodiode and a Planar Antenna for THz Applications
Kunkel, R.; Beling, A.; Bach, H.-G.; Mekonnen, G.G.; Schmidt, D.; Sydlo, C.; Schönherr, D.; Feiginov, M.; Hartnagel, H.L.; Meisner, P.
Conference Paper
2006Hochratige optische Empfänger für 80/160 Gbit/s
Bach, H.G.; Beling, A.; Ebert, W.; Eckhardt, T.; Gibis, R.; Kunkel, R.; Maul, B.; Mekonnen, G.G.; Sahin, G.; Schlaak, W. et al.
Report
2006Thin film substrate technology and FC interconnection for very high frequency applications
Töpper, M.; Rosin, T.; Fritzsch, T.; Jordan, R.; Mekonnen, G.; Sakkas, C.; Kunkel, R.; Scherpinski, K.; Schmidt, D.; Oppermann, H.; Dietrich, L.; Beling, A.; Eckhardt, T.; Bach, H.-G.; Reichl, H.
Conference Paper
200580-Gb/s InP-based waveguide-integrated photoreceiver
Mekonnen, G.G.; Bach, H.-G.; Beling, A.; Kunkel, R.; Schmidt, D.; Schlaak, W.
Journal Article
2005High-bandwidth balanced photoreceiver suitable for 40 Gb/s RZ-DPSK modulation formats
Schramm, C.; Bach, H.-G.; Beling, A.; Jacumeit, G.; Ferber, S.; Ludwig, R.; Ziegler, R.; Mekonnen, G.G.; Kunkel, R.; Schmidt, D.; Schlaak, W.; Unterbörsch, G.
Journal Article
2005InP-based 1.55 µm high-speed photodetectors for 80 Gbit/s systems and beyond
Beling, A.; Bach, H.-G.; Kunkel, R.; Mekonnen, G.G.; Schmidt, D.
Conference Paper
2005Miniaturized waveguide-integrated p-i-n photodetector with 120-GHz bandwidth and high responsivity
Beling, A.; Bach, H.-G.; Mekonnen, G.G.; Kunkel, R.; Schmidt, D.
Journal Article
2004Designflow und Verifikation von Umfeldschaltungen für optoelektronische Empfänger auf InP-Substrat mit Datenraten im Gbit/s-Bereich
Kunkel, R.; Bach, H.-G.; Mekonnen, G.G.
Conference Paper
2004Highly efficient InP-based narrowband photodetectors for 40 to 85 GHz linear high power applications
Bach, H.-G.; Beling, A.; Mekonnen, G.G.; Schmidt, D.; Schlaak, W.; Kunkel, R.; Seeger, A.; Stollberg, M.; Steingrüber, R.; Ebert, W.; Eckhardt, T.
Conference Paper
2004InP-based narrowband photodetectors covering the frequency range of 38 to 90 GHz for linear high power applications
Mekonnen, G.G.; Bach, H.-G.; Beling, A.; Schmidt, D.; Schlaak, W.; Kunkel, R.; Seeger, A.; Stollberg, M.; Steingrüber, R.; Ebert, W.; Eckhardt, T.
Conference Paper
2004InP-based waveguide-integrated photodetector with 100-GHz bandwidth
Bach, H.-G.; Beling, A.; Mekonnen, G.G.; Kunkel, R.; Schmidt, D.; Ebert, W.; Seeger, A.; Stollberg, M.; Schlaak, W.
Journal Article
2004Monolithically integrated balanced photoreceiver OEIC comprising a distributed amplifier for 40 Gbit/s applications
Bach, H.-G.; Mekonnen, G.G.; Kunkel, R.; Schmidt, D.; Gibis, R.; Ebert, W.; Seeger, A.; Stollberg, M.; Schlaak, W.
Conference Paper
1997Absorptionskaeltemaschine und Verfahren zu deren Betrieb
Dietz, B.; Kunkel, R.; Noeres, P.
Patent
1997Vorrichtung zur Klimatisierung
Dietz, B.; Kunkel, R.; Noeres, P.
Patent

 

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