Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Flip-Chip Integration of InP and SiN
Theurer, M.; Moehrle, M.; Sigmund, A.; Velthaus, K.-O.; Oldenbeuving, R.M.; Wevers, L.; Postma, F.M.; Mateman, R.; Schreuder, F.; Geskus, D.; Wörhoff, K.; Dekker, R.; Heideman, R.G.; Schell, M.
Journal Article
2017CL-TWE Mach-Zehnder modulators on InP: Central elements in transmitter PICs of increasing complexity
Kaiser, R.; Lange, S.; Rausch, M.; Gomez Saavedra, B.; Gruner, M.; Fiol, G.; Janiak, K.; Aimone, A.; Velthaus, K.-O.; Choi, J.H.; Schell, M.
Conference Paper
2016Low power InP-based monolithic DFB-laser IQ modulator with SiGe differential driver for 32-GBd QPSK modulation
Lange, S.; Wolf, N.; Gruner, M.; Yan, L.; Kaiser, R.; Velthaus, K.-O.; Choi, J.H.; Schell, M.
Journal Article
2015Electro-optical co-design to minimize power consumption of a 32 GBd optical IQ-transmitter using InP MZ-modulators
Wolf, N.; Yan, L.; Choi, J.-H.; Kapa, T.; Wünsch, S.; Klötzer, R.; Velthaus, K.-O.; Bach, H.-G.; Schell, M.
Conference Paper
2015First 105 Gb/s low power, small footprint PAM-8 impedance-engineered TOSA with InP MZ-Modulator and customized driver IC using predistortion
Saavedra, B.G.; Wolf, N.; Yan, L.; Meuer, C.; Choi, J.H.; Velthaus, K.-O.; Gruner, M.; Schubert, C.; Bach, H.-G.; Schell, M.
Conference Paper
2015Low power InP-based monolithic DFB-laser IQ modulator with SiGe differential driver for 32 GBd QPSK modulation
Lange, S.; Yan, L.; Wolf, N.; Kaiser, R.; Gruner, M.; Velthaus, K.-O.; Schell, M.
Conference Paper
2015Low switching voltage InP-based travelling wave electrode Mach-Zehnder modulator monolithically integrated with DFB-Laser for 60 Gb/s NRZ
Lange, S.; Kaiser, R.; Gruner, M.; Hamacher, M.; Velthaus, K.-O.; Schell, M.
Conference Paper
2015A performance comparison of single-ended- and differential driving scheme at 64 Gbit/s QPSK modulation for InP-based IQ-Mach-Zehnder modulators in serial-push-pull configuration
Rausch, M.; Wolf, N.; Yan, L.; Velthaus, K.-O.; Hoffmann, D.; Gruner, M.; Schell, M.
Conference Paper
2014Impedance-engineered low power MZM / driver assembly for CFP4-size pluggable long haul and metro transceiver
Velthaus, K.-O.; Wolf, N.; Choi, J.H.; Yan, L.; Harati, P.; Gruner, M.; Saavedra, B.G.; Rausch, M.; Bach, H.-G.; Schell, M.
Conference Paper
2012Dense WDM-PON with 23(46) Gb/s/ D(Q)PSK aggregation in the feeder and micro-ring resonator assisted ONUs
Bougioukos, M.; Schrenk, B.; Maziotis, A.; Spyropoulou, M.; Kouloumentas, Ch.; Velthaus, K.-O.; Kaiser, R.; Poustie, A.; Maxwell, G.; Boustedt, K.; Magri, R.; Avramopoulos, H.
Conference Paper
2012High performance 40GHz InP Mach-Zehnder modulator
Prosyk, K.; Ait-Ouali, A.; Bornholdt, C.; Brast, T.; Gruner, M.; Hamacher, M.; Hoffmann, D.; Kaiser, R.; Millett, R.; Velthaus, K.-O.; Woods, I.
Conference Paper
2012Transmission performance of mixed line-rate and format DWDM traffic using a 10×10Gb/s photonic integrated transceiver array for low-cost metro networks
Bougioukos, M.; Gleeson, L.; Zakynthinos, P.; Spyropoulou, M.; Dris, S.; Magri, R.; Camera, M.; Klonidis, D.; Tomkos, I.; Schrenk, B.; Bakopoulos, P.; Apostolopoulos, D.; Kouloumentas, Ch.; Rogers, D.; Poustie, A.; Maxwell, G.; Stoffer, R.; Korthorst, T.; Velthaus, K.-O.; Kaiser, R.; Moerl, L.; Boustedt, K.; Avramopoulos, H.
Conference Paper
2012Transmission performance of mixed line-rate and format DWDM traffic using a 10x10Gb/s photonic integrated transceiver array for low-cost metro networks
Bougioukos, M.; Gleeson, L.; Zakynthinos, P.; Spyropoulou, M.; Dris, S.; Magri, R.; Camera, M.; Klonidis, D.; Tomkos, I.; Schrenk, B.; Bakopoulos, P.; Apostolopoulos, D.; Kouloumentas, C.; Rogers, D.; Poustie, A.; Maxwell, G.; Stoffer, R.; Korthorst, T.; Velthaus, K.-O.; Kaiser, R.; Moerl, L.; Boustedt, K.; Avramopoulos, H.
Conference Paper
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
2011Large-scale photonic integration is a key-enabling technology for all-optical signal processing
Avramopoulos, H.; Spyropoulou, M.; Maxwell, G.; Velthaus, K.-O.; Boustedt, K.; Magri, R.; Klonidis, D.; Korthorst, T.
Journal Article
2011Tunable InP-based Optical IQ Modulator for 160 Gb/s
Prosyk, K.; Brast, T.; Gruner, M.; Hamacher, M.; Hoffmann, D.; Millett, R.; Velthaus, K.-O.
Conference Paper
2011Übertragungs- und Komponententechnik für 100Gbit/s Systeme
Freund, R.; Velthaus, K.-O.; Kunkel, R.; Schubert, C.; Schell, M.; Nölle, M.
Report
2007High-Speed Integrated Modulators and Receivers
Velthaus, K.-O.
Conference Paper
2006Improvement strategy towards 80 Gbit/s low drive voltage InP based Mach-Zehnder modulator
Chen, H.; Klein, H.N.; Hoffmann, D.; Velthaus, K.-O.; Venghaus, H.
Conference Paper
2005Recent developments in InP-based optoelectronic devices
Venghaus, H.; Bach, H.-G.; Bauer, S.; Beling, A.; Heidrich, H.; Hoffmann, D.; Hüttl, B.; Kaiser, R.; Kreissl, J.; Mekonnen, G.G.; Möhrle, M.; Rehbein, W.; Sartorius, B.; Velthaus, K.-O.
Conference Paper
200445 GHz bandwidth travelling wave electrode Mach-Zehnder modulator with integrated spot size converter
Hoffmann, D.; Staroske, S.; Velthaus, K.-O.
Conference Paper
1998Progress of electroluminescence display development at HHI
Velthaus, K.-O.
Conference Paper
1997High efficiency blue from SrS:Ce/ZnS:Mn 'color by white' thin film electroluminescence devices
Oberacker, T.A.; Troppenz, U.; Hüttl, B.; Gaertner, T.; Herrmann, R.; Velthaus, K.-O.
Conference Paper
1996Luminescence properties of SrS:Ce thin films
Hüttl, B.; Velthaus, K.-O.; Troppenz, U.; Kreissl, J.; Mauch, R.H.
Conference Paper
1994High luminance ZnS:Mn/SrS:Ce TFEL devices
Velthaus, K.-O.; Troppenz, U.; Hüttl, B.; Herrmann, R.; Mauch, R.H.
Conference Paper