Home | Legals | Data Protection | Sitemap | KIT
Institute of Photonics and Quantum Electronics
Logo IPQ

Building 30.10
Engesserstr. 5
76131 Karlsruhe
Germany

Phone: +49 (0)721 608-42481
Fax:     +49 (0)721 608-42786
E-Mail: officePtg1∂ipq kit edu

Directions to KIT

Sebastian Randel

Prof. Dr. Sebastian Randel

Room: 3.33
Phone: +49 721 608-42490
Fax: +49 721 608-42786
sebastian randelOcw8∂kit edu




Publications


List publications according to year

All | 2019 | 2018 | 2017

List publications according to type

All | Journal Articles | Conference Contributions | Lectures

Journal Articles (12)

  • Harter, T.; Ummethala, S.; Blaicher, M.; Muehlbrandt, S.; Wolf, S.; Weber, M.; Adib, M. M. H.; Kemal, J. N.; Merboldt, M.; Boes, F.; Nellen, S.; Tessmann, A.; Walther, M.; Globisch, B.; Zwick, T.; Freude, W.; Randel, S.; Koos, C.
    Wireless THz link with optoelectronic transmitter and receiver
    Optica 6, 1063--1070 (2019) [DOI]

  • Ummethala, S.; Harter, T.; Koehnle, K.; Li, Z.; Muehlbrandt, S.; Kutuvantavida, Y.; Kemal, J.; Marin-Palomo, P.; Schaefer, J.; Tessmann, A.; Garlapati, S. K.; Bacher, A.; Hahn, L.; Walther, M.; Zwick, T.; Randel, S.; Freude, W.; Koos, C.
    THz-to-optical conversion in wireless communications using an ultra-broadband plasmonic modulator
    Nature Photonics 13, 519--524 (2019) [DOI]

  • Nesic, A.; Blaicher, M.; Hoose, T.; Hofmann, A.; Lauermann, M.; Kutuvantavida, Y.; Nollenburg, M.; Randel, S.; Freude, W.; Koos, C.
    Photonic-integrated circuits with non-planar topologies realized by 3D-printed waveguide overpasses
    Opt. Express 27, 17402--17425 (2019) [DOI]

  • Zwickel, H.; Kemal, J. N.; Kieninger, C.; Kutuvantavida, Y.; Rittershofer, J.; Lauermann, M.; Freude, W.; Randel, S.; Koos, C.
    Electrically packaged silicon-organic hybrid (SOH) I/Q-modulator for 64 GBd operation
    Opt. Express 26, 34580--34591 (2018) [DOI]

  • Billah, M. R.; Blaicher, M.; Hoose, T.; Dietrich, P.-I.; Marin-Palomo, P.; Lindenmann, N.; Nesic, A.; Hofmann, A.; Troppenz, U.; Moehrle, M.; Randel, S.; Freude, W.; Koos, C.
    Hybrid integration of silicon photonics circuits and InP lasers by photonic wire bonding
    Optica 5, 876--883 (2018) [DOI]

  • Kieninger, C.; Kutuvantavida, Y.; Elder, D. L.; Wolf, S.; Zwickel, H.; Blaicher, M.; Kemal, J. N.; Lauermann, M.; Randel, S.; Freude, W.; Dalton, L. R.; Koos, C.
    Ultra-high electro-optic activity demonstrated in a silicon-organic hybrid modulator
    Optica 5, 739--748 (2018) [DOI]

  • Wolf, S.; Zwickel, H.; Hartmann, W.; Lauermann, M.; Kutuvantavida, Y.; Kieninger, C.; Altenhain, L.; Schmid, Rolf; Luo, J.; Jen, A. K. -Y.; Randel, S.; Freude, W.; Koos, C.
    Silicon-Organic Hybrid (SOH) Mach-Zehnder Modulators for 100 Gbit/s on-off Keying
    Scientific Reports 8, 2598 (2018) [DOI] more

  • Trocha, P.; Karpov, M.; Ganin, D.; Pfeiffer, M. H. P.; Kordts, A.; Wolf, S.; Krockenberger, J.; Marin-Palomo, P.; Weimann, C.; Randel, S.; Freude, W.; Kippenberg, T. J.; Koos, C.
    Ultrafast optical ranging using microresonator soliton frequency combs
    Science 359, 887--891 (2018) [DOI]

  • Wolf, S.; Zwickel, H.; Kieninger, C.; Lauermann, M.; Hartmann, W.; Kutuvantavida, Y.; Freude, W.; Randel, S.; Koos, C.
    Coherent modulation up to 100 GBd 16QAM using silicon-organic hybrid (SOH) devices
    Opt. Express 26, 220--232 (2018) [DOI]

  • Lange, S.; Wolf, S.; Lutz, J.; Altenhain, L.; Schmid, R.; Kaiser, R.; Schell, M.; Koos, C.; Randel, S.
    100 GBd Intensity Modulation and Direct Detection With an InP-Based Monolithic DFB Laser Mach-Zehnder Modulator
    J. Lightwave Technol. 36, 97-102 (2018) [DOI]

  • Kieninger, C.; Kutuvantavida, Y.; Miura, H.; Kemal, J. N.; Zwickel, H.; Qiu, F.; Lauermann, M.; Freude, W.; Randel, S.; Yokoyama, S.; Koos, C.
    Demonstration of long-term thermally stable silicon-organic hybrid modulators at 85 °C
    Opt. Express 26, 27955--27964 (2018) [DOI]

  • Zwickel, H.; Wolf, S.; Kieninger, C.; Kutuvantavida, Y.; Lauermann, M.; De Keulenaer, T.; Vyncke, A.; Vaernewyck, R.; Luo, J.; Jen, A. K. -Y.; Freude, W.; Bauwelinck, J.; Randel, S.; Koos, C.
    Silicon-organic hybrid (SOH) modulators for intensity-modulation / direct-detection links with line rates of up to 120 Gbit/s
    Opt. Express 25, 23784--23800 (2017) [DOI]


Conference Contributions (36)

  • Freude, W.; Ummethala, S.; Harter, T.; Koehnle, K.; Li, Z.; Muehlbrandt, S.; Kutuvantavida, Y.; Kemal, J. N.; Marin-Palomo, P.; Schaefer, J.; Tessmann, A.; Kumar Garlapati, S.; Bacher, A.; Hahn, L.; Walther, M.; Zwick, T.; Randel, S.; Koos, C.
    Wireless THz-to-optical conversion with an electro-optic plasmonic modulator
    Light: Science & Applications, Light Conference (Light Conference'19), Changchun, China, July 16-18 (2019) (invited)

  • 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 (2019) (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
    Conf. on Lasers and Electro-Optics (CLEO/Europe-EQEC 2019), Munich, Germany, June 23-27 (2019)

  • Ummethala, S.; Kemal, J. N.; Lauermann, M.; Alam, A. S.; Zwickel, H.; Harter, T.; Kutuvantavida, Y.; Hahn, L.; Nandam, S. H.; Elder, D. L.; Dalton, L. R.; Freude, W.; Randel, S.; Koos, C.
    Capacitively Coupled Silicon-Organic Hybrid Modulator for 200 Gbit/s PAM-4 Signaling
    Conf. on Lasers and Electro-Optics (CLEO'19), San Jose (CA), USA, May 5–10 , paper JTh5B.2 Optical Society of America (2019) [DOI] (postdeadline)

  • Adib, M. M. H.; Kemal, J. N.; Fuellner, C.; Mahmud, M. S.; Koos, C.; Freude, W.; Randel, S.
    Colorless Coherent Passive Optical Network Using a Frequency Comb Local Oscillator
    Optical Fiber Communication Conference (OFC'19), San Diego (CA), USA, 03.–07.03.2019 , paper Th3F.4 (2019)

  • 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.; Goebel, T.; Walther, M.; Zwick, T.; Randel, S.; Koos, C.
    Terahertz communications meets photonics
    14th Intern. Conf. on Fiber Optics & Photonics (Photonics'18), Indian Institute of Technology Delhi (IIT Delhi), Delhi, India, December 12–15 (2018) (invited)

  • Hoose, T.; Blaicher, M.; Kemal, J. N.; Zwickel, H.; Billah, M. R.; Dietrich, P.-I.; Hofmann, A.; Freude, W.; Randel, S.; Koos, C.
    Hardwired Configurable Photonic Integrated Circuits Enabled by 3D Nanoprinting
    44th European Conference on Optical Communication (ECOC'18), Rome, Italy, September 23-27 , paper Mo4H.3 (2018) [DOI] (invited)

  • 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)

  • Adib, M.; Pilori, D.; Fuellner, C.; Freude, W.; Koos, C.; Randel, S.
    Optical Filter Requirements for DWDM Transmission Systems with Kramers-Kronig Receivers
    44th European Conference on Optical Communication (ECOC'18), Rome, Italy, September 23-27 , poster We2.34 (2018)

  • Harter, T.; Fuellner, C.; Kemal, J. N.; Ummethala, S.; Brosi, J.-M.; Bruendermann, E.; Freude, W.; Randel, S.; Koos, C.
    110-m THz Wireless Transmission at 100 Gbit/s Using a Kramers-Kronig Schottky Barrier Diode Receiver
    44th European Conference on Optical Communication (ECOC'18), Rome, Italy, September 23-27 , paper Th3F.7 (2018) [DOI] (postdeadline)

  • Koos, C.; Freude, W.; Randel, S.; Billah, M. R.; Blaicher, M.; Dietrich, P.-I.; Hoose, T.; Xu, Y.; Kemal, J. N.; Nesic, A.; Hofmann, A.
    Photonic Wire Bonding and 3D Nanoprinting in Photonic Integration – from Lab Demonstrations to Production
    44th European Conference on Optical Communication (ECOC'18), Rome, Italy, September 23-27 (2018) [DOI] (invited)

  • Koos, C.; Randel, S.; Freude, W.; Kippenberg, T. J.; Marin-Palomo, P.; Kemal, J. N.; Trocha, P.; Ganin, D.; Weimann, C.; Wolf, S.; Pfeifle, J.; Karpov, M.; Kordts, A.; Vujicic, V.
    Optical Frequency Combs: Tools for High-Speed Communications and Optical Distance Metrology
    10th Sino-German Joint Symposium on Opto- and Microelectronic Devices and Circuits (SODC 2018), Aachen, Germany, September 16 – 20 (2018) (invited)

  • Harter, T.; Ummethala, S.; Muehlbrandt, S.; Blaicher, M.; Koehnle, K.; Adib, M.; Weber, M.; Wolf, S.; Kutuvantavida, Y.; Kemal, J. N.; Nellen, S.; Hahn, L.; Tessmann, A.; Walther, M.; Zwick, T.; Randel, S.; Freude, W.; Koos, C.
    Wireless terahertz communications using optoelectronic techniques
    Progress in Electromagnetics Research Symposium 2018 (PIERS 2018), Toyama, Japan, August 1-4 (2018) (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 (2018) [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.; Goebel, T.; Walther, M.; Zwick, T.; Randel, S.; Koos, C.
    Wireless THz communications using optoelectronic techniques
    Light: Science & Applications, Light Conference (Light Conference'18), Changchun, China, July 16-18 (2018) (invited)

  • Koos, C.; Freude, W.; Randel, S.; Dietrich, P.-I.; Blaicher, M.; Xu, Y.; Billah, M. R.; Hoose, T.; Trappen, M.; Hofmann, A.
    Efficient Coupling Interfaces in Photonic Systems Enabled by Printed Freeform Micro-Optics
    20th International Conference on Transparent Optical Networks (ICTON'18), Bucharest, Romania, July 1 – 5 , paper Mo.D5.5 (2018) [DOI] (invited)

  • Blaicher, M.; Billah, M. R.; Hoose, T.; Dietrich, P.-I.; Hofmann, A.; Randel, S.; Freude, W.; Koos, C.
    3D-Printed Ultra-Broadband Highly Efficient Out-of-Plane Coupler for Photonic Integrated Circuits
    Conf. on Lasers and Electro-Optics (CLEO'18), San Jose (CA), USA, May 13–18 , paper STh1A.1 (2018) [DOI]

  • 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]

  • Kieninger, C.; Kutuvantavida, Y.; Kemal, J. N.; Zwickel, H.; Miura, H.; Randel, S.; Freude, W.; Yokoyama, S.; Koos, C.
    Demonstration of Long-Term Thermal Stability of a Silicon-Organic Hybrid (SOH) Modulator at 85°C
    Conf. on Lasers and Electro-Optics (CLEO'18), San Jose (CA), USA, May 13–18 , paper SM3B.3 (2018) [DOI]

  • Zwickel, H.; Kemal, J. N.; Kieninger, C.; Kutuvantavida, Y.; Lauermann, M.; Rittershofer, J.; Pajkovic, R.; Lindt, D.; Randel, S.; Freude, W.; Koos, C.
    Electrically Packaged Silicon-Organic Hybrid Modulator for Communication and Microwave Photonic Applications
    Conf. on Lasers and Electro-Optics (CLEO'18), San Jose (CA), USA, May 13–18 , paper SM3B.1 (2018) [DOI]

  • Koos, C.; Freude, W.; Randel, S.; Billah, M. R.; Blaicher, M.; Dietrich, P.-I.; Hoose, T.; Xu, Y.; Hofmann, A.
    Photonic Wirebonding and 3D Nanoprinting in Optical Packaging: From Research to Manufacturing
    SPIE Photonics Europe 2018 Strasbourg, April 23 – 26 , paper 10686-7 (2018) more (invited)

  • Fuellner, C.; Wolf, S.; Kemal, J. N.; Lutz, J.; Altenhain, L.; Schmid, R.; Freude, W.; Koos, C.; Randel, S.
    Transmission of 80-GBd 16-QAM over 300 km and Kramers-Kronig reception using a low-complexity FIR Hilbert filter approximation
    Optical Fiber Communication Conference (OFC'18), San Diego (CA), USA, Marc 11–15 , paper W4E.3 (2018) [DOI]

  • Fuellner, C.; Adib, M. M. H.; Randel, S.
    Study on Complexity Trade-Offs for the Kramers-Kronig Receiver
    ITG Workshop Fachgruppe 5.3.1. „Modellierung photonischer Komponenten und Systeme“ Hamburg, 22.-23.02.2018 (2018)

  • Koos, C.; Kippenberg, T. J.; Barry, L. P.; Ramdane, A.; Brenot, R.; Freude, W.; Randel, S.; Marin-Palomo, P.; Kemal, J. N.; Trocha, P.; Ganin, D.; Weimann, C.; Wolf, S.; Pfeifle, J.; Karpov, M.; Kordts, A.; Vujicic, V.; Merghem, K.
    Optical frequency combs and photonic integrated circuits: Tools for high-speed communications and advanced distance metrology
    SPIE Photonics West; Quantum Sensing and Nano Electronics and Photonics XV (OPTO-SPIE 2018), San Francisco (CA), Jan. 28 - Feb. 1 , paper 10540-74 (2018) (invited)

  • Koos, C.; Freude, W.; Randel, S.; Billah, M. R.; Blaicher, M.; Hoose, T.; Dietrich, P.-I.; Nesic, A.; Hofmann, A.
    Hybrid Photonic Multi-chip Integration Enabled by 3D Nano-printing
    IEEE Photonics Conference (IPC2017), Orlando, Florida, USA, 1-5 October , paper ThF1.4 (2017) [DOI] (invited)

  • Harter, T.; Adib, M.; 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]

  • Billah, M. R.; Kemal, J. N.; Marin-Palomo, P.; Blaicher, M.; Kutuvantavida, Y.; Kieninger, C.; Zwickel, H.; Dietrich, P.-I.; Wolf, S.; Hoose, T.; Xu, Y.; Troppenz, U.; Moehrle, M.; Randel, S.; Freude, W.; Koos, C.
    Four-Channel 784 Gbit/s Transmitter Module Enabled by Photonic Wire Bonding and Silicon-Organic Hybrid Modulators
    43rd European Conf. Opt. Commun. (ECOC'17), Gothenburg, Sweden, Sept. 17 –21 , paper Th.PDP.C.1 (2017) [DOI] (postdeadline)

  • 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)

  • Ganin, D.; Trocha, P.; Pfeiffer, M.; Karpov, M.; Kordts, A.; Krockenberger, J.; Marin-Palomo, P.; Wolf, S.; Randel, S.; Freude, W.; Kippenberg, T. J.; Koos, C.
    Ultrafast Dual-Comb Distance Metrology Using Dissipative Kerr Solitons
    Conf. on Lasers and Electro-Optics (CLEO'17), San Jose (CA), USA, May 14 – 19 , paper STh4L.6. (2017) [DOI] more

  • Kieninger, C.; Kutuvantavida, Y.; Zwickel, H.; Wolf, S.; Lauermann, M.; Elder, D. L.; Dalton, L. R.; Freude, W.; Randel, S.; Koos, C.
    Record-High In-Device Electro-Optic Coefficient of 359 pm/V in a Silicon-Organic Hybrid (SOH) Modulator
    Conf. on Lasers and Electro-Optics (CLEO'17), San Jose (CA), USA, May 14 – 19 , paper STu3N.2. (2017) [DOI] more

  • 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

  • Billah, M. R.; Blaicher, M.; Kemal, J. N.; Hoose, T.; Zwickel, H.; Dietrich, P.-I.; Troppenz, U.; Moehrle, M.; Merget, F.; Hofmann, A.; Witzens, J.; Randel, S.; Freude, W.; Koos, C.
    8-channel 448 Gbit/s Silicon Photonic Transmitter Enabled by Photonic Wire Bonding
    Optical Fiber Communication Conference (OFC'17), Los Angeles (CA), USA, March 19–23 , paper Th5D.6. (2017) [DOI] (postdeadline)

  • Lange, S.; Wolf, S.; Lutz, J.; Altenhain, L.; Schmid, R.; Kaiser, R.; Koos, C.; Randel, S.; Schell, M.
    100 GBd Intensity Modulation and Direct Detection with an InP-based Monolithic DFB Laser Mach-Zehnder Modulator
    Optical Fiber Communication Conference (OFC'17), Los Angeles (CA), USA, March 19–23 , paper Th5C.5. (2017) [DOI] (postdeadline)

  • Kemal, J. N.; Marin-Palomo, P.; Merghem, K.; Guy, A.; Calo, C.; Brenot, R.; Lelarge, F.; Ramdane, A.; Randel, S.; Freude, W.; Koos, C.
    32QAM WDM Transmission Using a Quantum-Dash Passively Mode-Locked Laser with Resonant Feedback
    Optical Fiber Communication Conference (OFC'17), Los Angeles (CA), USA, March 19–23 , paper Th5C.3. (2017) [DOI] (postdeadline)

  • Wolf, S.; Zwickel, H.; Kieninger, C.; Kutuvantavida, Y.; Lauermann, M.; Lutz, J.; Altenhain, L.; Schmid, R.; Freude, W.; Koos, C.; Randel, S.
    Silicon-Organic Hybrid (SOH) IQ Modulator for 100 GBd 16QAM Operation
    Optical Fiber Communication Conference (OFC'17), Los Angeles (CA), USA, March 19–23 , paper Th5C.1. (2017) [DOI] (postdeadline)

  • Kemal, J. N.; Marin-Palomo, P.; Panapakkam, V.; Trocha, P.; Wolf, S.; Merghem, K.; Lelarge, F.; Ramdane, A.; Randel, S.; Freude, W.; Koos, C.
    WDM Transmission Using Quantum-Dash Mode-Locked Laser Diodes as Multi-Wavelength Source and Local Oscillator
    Optical Fiber Communication Conference (OFC'17), Los Angeles (CA), USA, March 19–23 , paper Th3F.6. (2017) [DOI] more

Lectures (1)

  • Zwickel, H.; Kutuvantavida, Y.; Kieninger, C.; Freude, W.; Randel, S.; Koos, C.
    Silicon-organic hybrid integration – efficient devices for high-speed communications
    Huawei Workshop on Novel Photonics Technologies, Rome, Italy, September 21 (2018) (invited)