Flip-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., Worhoff, K., Dekker, R., Heideman, R. G., Schell, M.
Published in IEEE photonics technology letters (01.02.2019)
Published in IEEE photonics technology letters (01.02.2019)
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Journal Article
Electro-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., Wunsch, S., Klotzer, R., Velthaus, K.-O, Bach, H.-G, Schell, M.
Published in 2015 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS) (01.10.2015)
Published in 2015 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS) (01.10.2015)
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Conference Proceeding
CL-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.
Published in 2017 19th International Conference on Transparent Optical Networks (ICTON) (01.07.2017)
Published in 2017 19th International Conference on Transparent Optical Networks (ICTON) (01.07.2017)
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Conference Proceeding
Low 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.
Published in 2015 Optical Fiber Communications Conference and Exhibition (OFC) (01.03.2015)
Published in 2015 Optical Fiber Communications Conference and Exhibition (OFC) (01.03.2015)
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Conference Proceeding
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
Rausch, M., Wolf, N., Yan, L., Velthaus, K.-O, Hoffmann, D., Gruner, M., Schell, M.
Published in 2015 European Conference on Optical Communication (ECOC) (01.09.2015)
Published in 2015 European Conference on Optical Communication (ECOC) (01.09.2015)
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Conference Proceeding
Impedance-engineered low power MZM / driver assembly for CFP4-size pluggable long haul and metro transceiver
Velthaus, K.-O, Wolf, N., Choi, J. H., Yan, Lei, Harati, P., Gruner, M., Gomez Saavedra, B., Rausch, M., Bach, H.-G, Schell, M.
Published in 2014 The European Conference on Optical Communication (ECOC) (01.09.2014)
Published in 2014 The European Conference on Optical Communication (ECOC) (01.09.2014)
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Conference Proceeding
Actively Aligned Flip-Chip Integration of InP to SiN Utilizing Optical Backscatter Reflectometry
Theurer, M, Moehrle, M, Sigmund, A, Velthaus, K.-O, Oldenbeuving, R.M, Wevers, L, Postma, F.M, Mateman, R, Schreuder, F, Geskus, D, Wo¨rhoff, K, Dekker, R, Heideman, R.G, Schell, M
Published in 45th European Conference on Optical Communication (ECOC 2019) (2019)
Published in 45th European Conference on Optical Communication (ECOC 2019) (2019)
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Conference Proceeding
Low 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.
Published in 2015 European Conference on Optical Communication (ECOC) (01.09.2015)
Published in 2015 European Conference on Optical Communication (ECOC) (01.09.2015)
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Conference Proceeding
First 105 Gb/s low power, small footprint PAM-8 impedance-engineered TOSA with InP MZ-modulator and customized driver IC using predistortion
Gomez Saavedra, B., Wolf, N., Lei Yan, Meuer, C., Choi, J. H., Velthaus, K.-O, Gruner, M., Schubert, C., Bach, H.-G, Schell, M.
Published in 2015 Optical Fiber Communications Conference and Exhibition (OFC) (01.03.2015)
Published in 2015 Optical Fiber Communications Conference and Exhibition (OFC) (01.03.2015)
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Conference Proceeding
High performance InP-based Mach-Zehnder modulators for 10 to 100 Gb/s optical fiber transmission systems
Velthaus, K.-O, Hamacher, M., Gruner, M., Brast, T., Kaiser, R., Prosyk, K., Woods, I., Hoffmann, D., Schell, M.
Published in IPRM 2011 - 23rd International Conference on Indium Phosphide and Related Materials (01.05.2011)
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Published in IPRM 2011 - 23rd International Conference on Indium Phosphide and Related Materials (01.05.2011)
Conference Proceeding
Solar cells based on CuIn(Se, S) 2
Walter, T., Content, A., Velthaus, K.O., Schock, H.W.
Published in Solar energy materials and solar cells (01.05.1992)
Published in Solar energy materials and solar cells (01.05.1992)
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Journal Article
Electron-paramagnetic-resonance investigation of SrS:Ce powders and thin films
Kreissl, J., Hüttl, B., Troppenz, U., Velthaus, K.-O., Mauch, R. H., Fouassier, C.
Published in Journal of applied physics (01.11.1996)
Published in Journal of applied physics (01.11.1996)
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Journal Article
SrS:Ce,Mn,Cl — a novel efficient EL phosphor
Hüttl, B., Velthaus, K.O., Troppenz, U., Herrmann, R., Mauch, R.H.
Published in Journal of crystal growth (01.02.1996)
Published in Journal of crystal growth (01.02.1996)
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Journal Article
Conference Proceeding
1.55μm Mach-Zehnder Modulators on InP for Optical 40/80 Gbit/s Transmission Networks
Klein, H.N., Chen, H., Hoffmann, D., Staroske, S., Steffan, A.G., Velthaus, K.-O.
Published in 2006 International Conference on Indium Phosphide and Related Materials Conference Proceedings (2006)
Published in 2006 International Conference on Indium Phosphide and Related Materials Conference Proceedings (2006)
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Conference Proceeding
Trailing edge phenomena in SrS:CeCl3 thin film electroluminescent devices
TROPPENZ, U, HÜTTL, B, VELTHAUS, K. O, MAUCH, R. H
Published in Journal of crystal growth (01.04.1994)
Published in Journal of crystal growth (01.04.1994)
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Conference Proceeding
Journal Article
Luminescence properties of SrS:Ce3
Hüttl, B., Troppenz, U., Velthaus, K. O., Ronda, C. R., Mauch, R. H.
Published in Journal of applied physics (15.12.1995)
Published in Journal of applied physics (15.12.1995)
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Journal Article
High efficiency SrS,SrSe:CeCl3 based thin film electroluminescent devices
MAUCH, R. H, VELTHAUS, K. O, BILGER, G, SCHOCK, H. W
Published in Journal of crystal growth (01.02.1992)
Published in Journal of crystal growth (01.02.1992)
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Conference Proceeding
Journal Article
Monolithic 100 Gb/s twin-IQ Mach-Zehnder modulators for advanced hybrid high-capacity transmitter boards
Brast, T, Kaiser, R, Velthaus, K O, Gruner, M, Maul, B, Hamacher, M, Hoffmann, D, Schell, M
Published in 2011 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (01.03.2011)
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Published in 2011 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (01.03.2011)
Conference Proceeding