Karl-Otto Velthaus

According to our database, Karl-Otto Velthaus authored at least 7 papers between 2014 and 2018.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2018

Programmable Transfer Function Optical-DAC Using an InP Segmented Mach-Zehnder Modulator.

Alessandro Aimone, Stefanos Dris, Jan Sundermeyer, Jung Han Choi, Conrad Zerna, André Richter, Karl-Otto Velthaus

Proceedings of the 2018 20th International Conference on Transparent Optical Networks (ICTON), 2018

2017

CL-TWE Mach-Zehnder modulators on InP: Central elements in transmitter PICs of increasing complexity.

Ronald Kaiser, Sophie Lange, M. Rausch, B. Gomez Saavedra, Marko Gruner, Gerrit Fiol, Klemens Janiak, Alessandro Aimone, Karl-Otto Velthaus, Jung Han Choi, Martin Schell

Proceedings of the 2017 19th International Conference on Transparent Optical Networks (ICTON), 2017

2015

First 105 Gb/s low power, small footprint PAM-8 impedance-engineered TOSA with InP MZ-modulator and customized driver IC using predistortion.

B. Gomez Saavedra, Norman Wolf, Lei Yan, Christian Meuer, Jung Han Choi, Karl-Otto Velthaus, Marko Gruner, Colja Schubert, Heinz-Gunter Bach, Martin Schell

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Low switching voltage InP-based travelling wave electrode Mach-Zehnder modulator monolithically integrated with DFB-laser for 60 Gb/s NRZ.

Sophie Lange, Ronald Kaiser, Marko Gruner, Michael Hamacher, Karl-Otto Velthaus, Martin Schell

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

A 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.

M. Rausch, Norman Wolf, Lei Yan, Karl-Otto Velthaus, Detlef Hoffmann, Marko Gruner, Martin Schell

Proceedings of the European Conference on Optical Communication, 2015

Low power InP-based monolithic DFB-laser IQ modulator with SiGe differential driver for 32 GBd QPSK modulation.

Sophie Lange, Lei Yan, Norman Wolf, Ronald Kaiser, Marko Gruner, Karl-Otto Velthaus, Martin Schell

Proceedings of the European Conference on Optical Communication, 2015

2014

Impedance-engineered low power MZM / driver assembly for CFP4-size pluggable long haul and metro transceiver.

Karl-Otto Velthaus, Norman Wolf, Jung Han Choi, Lei Yan, P. Harati, Marko Gruner, B. Gomez Saavedra, M. Rausch, Heinz-Gunter Bach, Martin Schell

Proceedings of the European Conference on Optical Communication, 2014