KIT - IPQ - Team

Freude, W.; Harter, T.; Muehlbrandt, S.; Ummethala, S.; Fang, D.; Randel, S.; Koos, C.
THz carrier processing and optical arbitrary waveform measurement employing integrated silicon photonics
Advanced Photonics Congress (APC-Networks 2023), Busan, South Korea, July 9–13 , Paper NeM4B.4 (2023) [DOI] (invited)

Koos, C.; Randel, S.; Freude, W.; Zwick, T.; Scheytt, J. C.; Witzens, J.; Walther, M.; Harter, T.; Ummethala, S.; Kieninger, C.; Zwickel, H.; Marin-Palomo, P.; Muehlbrandt, S.; Fuellner, C.; Schaefer, J.; Gudyriev, S.; Zazzi, A.; Mueller, J.; Tessmann, A.
Photonic-Electronic Ultra-Broadband Signal Processing: Concepts, Devices, and Applications
2020 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS’20), Monterey (CA) USA, Nov. 16-19 (2020) [DOI]

Freude, W.; Harter, T.; Muehlbrandt, S.; Ummethala, S.; Nellen, S.; Hahn, L.; Randel, S.; Koos, C.
Silicon photonics for coherent terahertz generation and detection
21th Intern. Conf. on Transparent Optical Networks (ICTON'19), Angers, France, July 9-13 , paper 8840408 (2019) [DOI] (invited)

Freude, W.; Harter, T.; Ummethala, S.; Muehlbrandt, S.; Blaicher, M.; Wolf, S.; Weber, M.; Boes, F.; Massler, H.; Tessmann, A.; Kutuvantavida, Y.; Kemal, J. N.; Nellen, S.; Hahn, L.; Globisch, B.; Walther, M.; Zwick, T.; Randel, S.; Koos, C.
Wireless Terahertz Communications
Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), pp. 1-1 , paper 8873098 (2019) [DOI]

Ummethala, S.; Harter, T.; Koehnle, K.; Li, Z.; Muehlbrandt, S.; Kutuvantavida, Y.; Kemal, J. N.; Schaefer, J.; Massler, H.; Tessmann, A.; Kumar Garlapati, S.; Bacher, A.; Hahn, L.; Walther, M.; Zwick, T.; Randel, S.; Freude, W.; Koos, C.
Wireless Transmission at 0.3 THz Using Direct THz-to-Optical Conversion at the Receiver
44th European Conference on Optical Communication (ECOC'18), Rome, Italy, September 23-27 , paper We4H.3 (2018) [DOI] (invited)

Koos, C.; Randel, S.; Freude, W.; Dalton, L. R.; Wolf, S.; Kieninger, C.; Kutuvantavida, Y.; Lauermann, M.; Elder, D. L.; Muehlbrandt, S.; Zwickel, H.; Melikyan, A.; Harter, T.; Ummethala, S.; Billah, M. R.; Blaicher, M.; Dietrich, P.-I.; Hoose, T.
Hybrid Photonic Integration and Plasmonic Devices: New Perspectives for High-Speed Communications and Ultra-Fast Signal Processing
Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2018), Hong Kong, July 29 – August 3 , pp. 1-2 (2018) [DOI] more (invited)

Ummethala, S.; Harter, T.; Koehnle, K.; Muehlbrandt, S.; Kutuvantavida, Y.; Kemal, J. N.; Schaefer, J.; Massler, H.; Tessmann, A.; Kumar Garlapati, S.; Bacher, A.; Hahn, L.; Walther, M.; Zwick, T.; Randel, S.; Freude, W.; Koos, C.
Terahertz-to-Optical Conversion Using a Plasmonic Modulator
Conf. on Lasers and Electro-Optics (CLEO'18), San Jose (CA), USA, May 13–18 , paper STu3D.4 (2018) [DOI] more

Ummethala, S.; Harter, T.; Kohnle, S.; Muehlbrandt, S.; Kutuvantavida, Y.; Kemal, J. N.; Schaefer, J.; Massler, H.; Tessmann, A.; Garlapati, S. K.; Bacher, A.; Hahn, L.; Walther, M.; Zwick, T.; Randel, S.; Freude, W.; Koos, C.
Terahertz-to-Optical Conversion Using a Plasmonic Modulator
Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optica Publishing Group, 2018) , paper STu3D.4 (2018) [DOI]

Harter, T.; Adib, M. M. H.; Wolf, S.; Muehlbrandt, S.; Weber, M.; Blaicher, M.; Boes, F.; Massler, H.; Tessmann, A.; Nellen, S.; Goebel, T.; Giesekus, J.; Walther, M.; Zwick, T.; Freude, W.; Randel, S.; Koos, C.
Wireless Multi-Subcarrier THz Communications Using Mixing in a Photoconductor for Coherent Reception
IEEE Photonics Conference (IPC2017), Orlando, Florida, USA, 1-5 October , paper MA4.2 (2017) [DOI]

Koos, C.; Freude, W.; Guber, A. E.; Schimmel, T.; Lauermann, M.; Schneider, S.; Weimann, C.; Muehlbrandt, S.; Harter, T.; Wondimu, S. F.; Wienhold, T.; von der Ecken, S.; Dietrich, P.-I.; Goering, G.
Photonic Integration for Metrology and Sensing
OSA Integrated Photonics Research, Silicon, and Nano- Photonics (IPR), New Orleans, Louisiana, USA, 24 - 27 July , paper ITh1A.1. (2017) [DOI] (invited)

Freude, W.; Muehlbrandt, S.; Harter, T.; Melikyan, A.; Koehnle, K.; Muslija, A.; Vincze, P.; Wolf, S.; Jakobs, P. -J.; Fedoryshyn, Y.; Leuthold, J.; Kohl, M.; Zwick, T.; Randel, S.; Koos, C.
PIPED: A silicon-plasmonic high-speed photodetector
19th Intern. Conf. on Transparent Optical Networks (ICTON'17), Girona, Spain, July 2-6 , paper Mo.D4.1 (2017) [DOI] (invited)

Harter, T.; Weber, M.; Muehlbrandt, S.; Wolf, S.; Kemal, J. N.; Boes, F.; Nellen, S.; Goebel, T.; Giesekus, J.; Zwick, T.; Randel, S.; Freude, W.; Koos, C.
Wireless THz Communications Using Optoelectronic Techniques for Signal Generation and Coherent Reception
Conf. on Lasers and Electro-Optics (CLEO'17), San Jose (CA), USA, May 14 – 19 , paper SM3J.2. (2017) [DOI] more

Koos, C.; Freude, W.; Leuthold, J.; Dalton, L. R.; Wolf, S.; Muehlbrandt, S.; Melikyan, A.; Zwickel, H.; Kutuvantavida, Y.; Harter, T.; Lauermann, M.; Elder, D. L.
Nanophotonic modulators and photodetectors using silicon photonic and plasmonic device concepts
SPIE Physics and Simulation of Optoelectronic Devices XXV (OPTO-SPIE'17), San Francisco (CA), USA, Jan. 28 - Feb. 2 , paper 10098-6 (2017) [DOI] (invited)

Melikyan, A.; Koehnle, K.; Lauermann, M.; Palmer, R.; Koeber, S.; Muehlbrandt, S.; Schindler, P. C.; Elder, D. L.; Wolf, S.; Sommer, M.; Dalton, L. R.; Thourhout, D. V.; Freude, W.; Kohl, M.; Leuthold, J.; Koos, C.
Plasmonic-organic hybrid (POH) modulators
21st OptoElectronics and Communications Conference (OECC) held jointly with International Conference on Photonics in Switching (PS'2016), Niigata, Japan, 3-7 July , paper ThE3-1 (2016) (invited)

Harter, T.; Muehlbrandt, S.; Ummethala, S.; Schmid, A.; Bacher, A.; Hahn, L.; Kohl, M.; Freude, W.; Koos, C.
Silicon-Plasmonic Photomixer for Generation and Homodyne Reception of Continuous-Wave THz Radiation
Conf. on Lasers and Electro-Optics (CLEO'16), San Jose (CA), USA, June 5 – 10 , paper SM4E.5. (2016) [DOI]

Koos, C.; Freude, W.; Leuthold, J.; Kohl, M.; Dalton, L. R.; Bogaerts, W.; Lauermann, M.; Wolf, S.; Weimann, C.; Melikyan, A.; Lindenmann, N.; Billah, M. R.; Muehlbrandt, S.; Koeber, S.; Palmer, R.; Koehnle, K.; Alloatti, L.; Elder, D. L.; Giesecke, A. L.; Wahlbrink, T.
Silicon-organic hybrid (SOH) integration and photonic multi-chip systems: Extending the capabilities of the silicon photonic platform
28th Annual Conf. of the IEEE Photonics Society (IPC'15), Reston (VA), USA, Oct. 4–8 , paper MF2.1 (2015) [DOI] (invited)

Koos, C.; Freude, W.; Leuthold, J.; Kohl, M.; Dalton, L. R.; Bogaerts, W.; Lauermann, M.; Melikyan, A.; Wolf, S.; Weimann, C.; Muehlbrandt, S.; Pfeifle, J.; Koeber, S.; Palmer, R.; Schindler, P. C.; Elder, D. L.
Silicon-organic (SOH) and plasmonic-organic (POH) hybrid integration: Extending the capabilities of silicon photonics and plasmonics
20th OptoElectronics and Communications Conference (OECC'15), Shanghai, China, June 28 – July 2 , paper JTuE.34 (2015) [DOI] (invited)

Melikyan, A.; Koehnle, K.; Lauermann, M.; Palmer, R.; Koeber, S.; Muehlbrandt, S.; Schindler, P. C.; Elder, D. L.; Wolf, S.; Heni, W.; Haffner, C.; Fedoryshyn, Y.; Hillerkuss, D.; Sommer, M.; Dalton, L. R.; Van Thourhout, D.; Freude, W.; Kohl, M.; Leuthold, J.; Koos, C.
Plasmonic-organic hybrid (POH) modulators for OOK and BPSK signaling at 40 Gbit/s
Conf. on Lasers and Electro-Optics (CLEO'15), San Jose (CA), USA, May 10–15 , paper SM1I.1. Optical Society of America (OSA) (2015) [DOI]

Muehlbrandt, S.; Melikyan, A.; Koehnle, K.; Harter, T.; Muslija, A.; Vincze, P.; Wolf, S.; Jakobs, P. -J.; Fedoryshyn, Y.; Freude, W.; Leuthold, J.; Koos, C.; Kohl, M.
Plasmonic Internal Photoemission Detectors with Responsivities above 0.12 A/W
Conf. on Lasers and Electro-Optics (CLEO'15), San Jose (CA), USA, May 10–15 , paper FTh3E.3 Optical Society of America (OSA) (2015) [DOI]

Koos, C.; Leuthold, J.; Freude, W.; Kohl, M.; Dalton, L. R.; Bogaerts, W.; Giesecke, A. L.; Lauermann, M.; Melikyan, A.; Koeber, S.; Wolf, S.; Weimann, C.; Muehlbrandt, S.; Koehnle, K.; Pfeifle, J.; Palmer, R.; Alloatti, L.; Elder, D. L.; Wahlbrink, T.; Bolten, J.
Silicon-Organic Hybrid (SOH) and Plasmonic-Organic Hybrid (POH) Integration
Optical Fiber Communication Conference (OFC'15), Los Angeles (CA), USA, 22 – 26 March , paper Tu2A.1 (2015) [DOI] (invited)

Koehnle, K.; Lauermann, M.; Bacher, A.; Nees, M. -K.; Muehlbrandt, S.; Palmer, R.; Muslija, A.; Jakobs, P. -J.; Freude, W.; Koos, C.
Silicon-Organic Hybrid Phase Modulator Based on Sub-Wavelength Grating Waveguides
Micro and Nano Engineering (MNE2014), Lausanne, Switzerland, September 22-26 , Paper 8127, Session: D2L-B (2014)

Melikyan, A.; Alloatti, L.; Muslija, A.; Hillerkuss, D.; Schindler, P. C.; Li, J.; Palmer, R.; Korn, D.; Lindenmann, N.; Muehlbrandt, S.; Walheim, S.; Vincze, P.; Leufke, P. M.; Ulrich, S.; Ye, J.; Thourhout, D. V.; Chen, B.; Dinu, R.; Sommer, M.; Hahn, H.; Schimmel, T.; Koos, C.; Kohl, M.; Freude, W.; Leuthold, J.
High-speed Plasmonic Modulators
Integrated Photonics Research, Silicon and Nanophotonics (IPR'14), San Diego, California United States, July 13-17 , paper IT2A.6 Optical Society of America (OSA) (2014) [DOI] (invited)

Muehlbrandt, S.; Muslija, A.; Koehnle, K.; Melikyan, A.; Leuthold, J.; Kohl, M.
Fabrication of Ultra-Compact Plasmonic Waveguide Photo Diodes
Micro and Nano Engineering (MNE'2014 ), Lausanne, Switzerland , paper 8274 (2014)

Melikyan, A.; Alloatti, L.; Muslija, A.; Hillerkuss, D.; Schindler, P. C.; Li, J.; Palmer, R.; Korn, D.; Muehlbrandt, S.; Thourhout, D. V.; Chen, B.; Dinu, R.; Sommer, M.; Koos, C.; Kohl, M.; Freude, W.; Leuthold, J.
Surface Plasmon Polariton High-Speed Modulator
Conf. on Lasers and Electro-Optics (CLEO'13), San Jose (CA), USA, June 9–14 , paper CTh5D.2 Optical Society of America (2013) [DOI] (postdeadline)

Melikyan, A.; Sommer, M.; Muslija, A.; Kohl, M.; Muehlbrandt, S.; Mishra, A. K.; Calzadilla, V.; Justo, Y.; Martinez-Pastor, J. P.; Tomkos, I.; Scandurra, A.; Van Thourhout, D.; Hens, Z.; Smit, M.; Freude, W.; Koos, C.; Leuthold, J.
Chip-to-chip plasmonic interconnects and the activities of EU project NAVOLCHI
14th International Conference on Transparent Optical Networks (ICTON), 2012, July 02-05, pp 1-3 , paper 6254466, University of Warwick, Coventry, UK, July (2012) [DOI] (invited)

Dipl. - Phys. Sascha Mühlbrandt

Publications

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Journal Articles (11)

Conference Contributions (25)

Lectures (4)