Dr. Norbert Keil Profile

Dr. Norbert Keil

at Fraunhofer-HHI

SPIE Involvement:

Author

Publications (29)

Proceedings Article | 13 March 2024 Presentation

Presentation

Hybrid photonic integrated circuits for NIR and VIS

David de Felipe Mesquida, Tianwen Qian, Maximilian Ott, Jakob Reck, Csongor Keuer, Martin Kresse, Klara Mihov, Madeleine Weigel, Philipp Winklhofer, Crispin Zawadzki, Moritz Kleinert, Norbert Keil, Martin Schell

Proceedings Volume PC12906, PC129060J (2024) https://doi.org/10.1117/12.3002791

KEYWORDS: Photonic integrated circuits, Near infrared, Waveguides, Tunable lasers, Polymers, Windows, Silicon, Quantum technology applications, Quantum technologies, Quantum sensing

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Proceedings Article | 12 March 2024 Presentation

Presentation

Polymer-based hybrid photonic integration for terabit optical transceivers

David de Felipe Mesquida, Martin Kresse, Madeleine Weigel, Marcel Amberg, Michael Theurer, Tianwen Qian, Philipp Winklhofer, Klara Mihov, Jakob Reck, Csongor Keuer, Moritz Kleinert, Crispin Zawadzki, Patrick Runge, Martin Moehrle, Norbert Keil, Martin Schell

Proceedings Volume PC12892, PC128920H (2024) https://doi.org/10.1117/12.3002707

KEYWORDS: Polymers, Transceivers, Integrated optics, Polymer optics, Polymer thick film flex circuits, Photonic integrated circuits, Chip manufacturing, Modulation, Wavelength division multiplexing, Single mode fibers

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Proceedings Article | 11 March 2024 Presentation + Paper

Presentation + Paper

Industrial photonics packaging for high volume applications

Milan Milosevic, Zerihun Tegegne, Chunting Zhong, David van Duinen, Xin Yin, Johan Bauwelinck, Maria Massaouti, Efstathios Andrianopoulos, Panos Groumas, Michael Theurer, Durvasa Gupta, Martin Kresse, Madeleine Weigel, David de Felipe, Norbert Keil, Joost van Kerkhof

Proceedings Volume 12892, 128920M (2024) https://doi.org/10.1117/12.3000934

KEYWORDS: Photonics, Quantum photonics, Packaging, Photonic integrated circuits, Wafer bonding, 3D printing, Semiconducting wafers, Printing, Integrated optics, Industrial applications

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Proceedings Article | 17 March 2023 Presentation + Paper

Presentation + Paper

Fully integrated Laser Doppler Vibrometer (LDV) based on hybrid 3D integration of silicon nitride and polymer photonic circuits with operation in the kHz regime

A. Raptakis, L. Gounaridis, M. Kleinert, M. Weigel, J. Epping, E. Schreuder, M. Wolfer, A. Draebenstedt, R. Pessina, P. Groumas, T. Aukes, V. Seyfried, N. Keil, R. Heideman, H. Avramopoulos, C. Kouloumentas

Proceedings Volume 12424, 124240A (2023) https://doi.org/10.1117/12.2650027

KEYWORDS: Waveguides, Polymers, Laser Doppler velocimetry, Modulation frequency, Polarization, Ferroelectric materials, Photonic integrated circuits, Integrated optics

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Proceedings Article | 15 March 2023 Presentation + Paper

Presentation + Paper

Photonic integrated circuits for 5G-and-beyond networks: enabling the mmWave band and beyond with InP-based photomixers in integrated transceivers

Efstathios Andrianopoulos, Milan Deumer, Tianwen Qian, Nikolaos Lyras, Simon Nellen, Evangelos Pikasis, Georgia Ntouni, Eleftherios Loghis, Elias Tsirbas, David de Felipe, Panos Groumas, Christos Tsokos, Maria Massaouti, Christos Kouloumentas, Dimitrios Kritharidis, Robert Kohlhaas, Norbert Keil, Martin Schell, Hercules Avramopoulos

Proceedings Volume 12429, 1242904 (2023) https://doi.org/10.1117/12.2648079

KEYWORDS: Terahertz radiation, Receivers, Principal component analysis, Photonic integrated circuits, Signal detection, Waveguides

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Proceedings Article | 5 March 2022 Presentation

Presentation

Hybrid photonic integration for communication, sensing and quantum technology

Martin Schell, Norbert Keil, Moritz Kleinert, David de Felipe, Crispin Zawadzki, Madeleine Weigel, Martin Kresse, Michael Theurer, Hauke Conradi, Tianwen Qian

Proceedings Volume PC12004, PC1200407 (2022) https://doi.org/10.1117/12.2610737

KEYWORDS: Quantum communications, Waveguides, Polymers, Polymer multimode waveguides, Photonic integrated circuits, Phased array optics, Optical isolators, Laser optics, Switches, Sensors

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Proceedings Article | 5 March 2022 Presentation + Paper

Presentation + Paper

Assembly of mobile 5G transceiver based on photonic motherboard

Bradley Snyder, Zerihun Tegegne, Nienke Nijenhuis, Tianwen Qian, David de Felipe, Simon Nellen, Milan Deumer, Y. Durvasa Gupta, Moritz Baier, Björn Globisch, Norbert Keil, Joost Van Kerkhof

Proceedings Volume 12007, 120070K (2022) https://doi.org/10.1117/12.2616674

KEYWORDS: Antennas, Transceivers, Transmitters, Optical alignment, Receivers, Prototyping, Waveguides, Adhesives

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Proceedings Article | 8 March 2021 Presentation + Paper

Presentation + Paper

Interconnection challenges on integrated terahertz photonic systems

Guillermo Carpintero, Alejandro Rivera, Muhsin Ali, Daniel Gallego, Luis Enrique García-Muñoz, David de Felipe, Norbert Keil, Lars Liebermeister, Sebastian Lauck, Björn Globisch, Dmitry Lyubchenko, Nikos Xenidis, Enrique Prados, Jose Maria Pindado, Riccardo Rossetti, Michael Nagel

Proceedings Volume 11692, 116920N (2021) https://doi.org/10.1117/12.2582982

KEYWORDS: Waveguides, Photonics systems, Terahertz radiation, Phase measurement, Optical spectroscopy, Metrology, Lenses, Dielectrics, Calibration

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Proceedings Article | 25 February 2020 Presentation + Paper

Presentation + Paper

Hybrid integration of a polarization independent optical circulator

Hauke Conradi, David de Felipe, Moritz Kleinert, Madeleine Nuck, Martin Kresse, Crispin Zawadzki, Anja Scheu, Norbert Keil, Martin Schell

Proceedings Volume 11283, 112830J (2020) https://doi.org/10.1117/12.2545592

KEYWORDS: Polarization, Waveguides, Free space optics, Polymers, Integrated optics, Polymer multimode waveguides, GRIN lenses, Switching, Switches, Magnetism

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Proceedings Article | 31 January 2020 Presentation + Paper

Presentation + Paper

Enabling low-cost high-volume production compatible terabit transceivers with up to 1.6 Tbps capacity and 100Gbps per lane PAM-4 modulation for intra-data center optical interconnects up to 2km: The TERIPHIC project approach

P. Groumas, C. Tsokos, D. Felipe, U. Troppenz, R. Hersent, P. Bakopoulos, B. Atias, J. Y. Dupuy, A. Pagano, A. Chiado Piat, S. Kibben, L. Gounaridis, A. Raptakis, M. Seyfried, M. Moehrle, C. Kouloumentas, N. Keil, H. Avramopoulos

Proceedings Volume 11308, 113080C (2020) https://doi.org/10.1117/12.2545352

KEYWORDS: Transceivers, Prototyping, Digital signal processing, Polymers, Waveguides, Modulation, Integrated optics, Packaging, Palladium, Semiconducting wafers

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Proceedings Article | 4 March 2019 Presentation + Paper

Presentation + Paper

3D photonic integrated 4x4 multi-mode interference coupler

Madeleine Nuck, Moritz Kleinert, Hauke Conradi, David de Felipe, Crispin Zawadazki, Anja Scheu, Martin Kresse, Walter Brinker, Norbert Keil, Martin Schell

Proceedings Volume 10921, 109211C (2019) https://doi.org/10.1117/12.2509776

KEYWORDS: Waveguides, 3D metrology, Polymers, Photonic integrated circuits, Switching, Optical switching, Matrices, Phase shifts, Cladding

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Proceedings Article | 22 February 2018 Paper

Paper

Virtual prototyping of complex photonic components and integrated circuits for polymer-based integration platform

A. Polatynski, D. de Felipe, H. Conradi, M. Kresse, A. Richter, S. Mingaleev, E. Sokolov, M. Kleinert, C. Zawadzki, N. Keil

Proceedings Volume 10536, 1053624 (2018) https://doi.org/10.1117/12.2290436

KEYWORDS: Waveguides, Polymers, Photonic integrated circuits, Device simulation, Prototyping, Photodiodes, Integrated circuits, Transceivers, Instrument modeling

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Proceedings Article | 29 January 2018 Presentation + Paper

Presentation + Paper

Optical terabit transmitter and receiver based on passive polymer and InP technology for high-speed optical connectivity between datacenters

V. Katopodis, C. Tsokos, D. de Felipe, M. Spyropoulou, A. Konczykowska, A. Aimone, P. Groumas, J.-Y. Dupuy, F. Jorge, H. Mardoyan, R. Rios-Müller, J. Renaudier, P. Jennevé, F. Boitier, A. Pagano, M. Quagliotti, D. Roccato, T. K. Johansen, M. Tienforti, A. Vannucci, H.-G. Bach, N. Keil, H. Avramopoulos, Ch. Kouloumentas

Proceedings Volume 10561, 1056107 (2018) https://doi.org/10.1117/12.2290258

KEYWORDS: Transmitters, Receivers, Modulation, Waveguides, Polymers, Modulators, Integrated photonics, Photonic integrated circuits, High speed electronics

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Proceedings Article | 22 February 2017 Paper

Paper

Photonic integrated devices and functions on hybrid polymer platform

Moritz Kleinert, David de Felipe, Crispin Zawadzki, Walter Brinker, Jung Han Choi, Philipp Reinke, Magnus Happach, Simon Nellen, Martin Möhrle, Heinz-Gunter Bach, Norbert Keil, Martin Schell

Proceedings Volume 10098, 100981A (2017) https://doi.org/10.1117/12.2256987

KEYWORDS: Waveguides, Photonic devices, Polymers, Graphene, Polymer multimode waveguides, Tunable lasers, Optical components, Integration, Integrated optics, Polymer optical fibers, Terahertz radiation, Photonic integrated circuits, Fiber couplers

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Proceedings Article | 20 February 2017 Paper

Paper

Gbit/s-operation of graphene electro-absorption modulators in a passive polymer waveguide platform for data and telecommunications

M. Kleinert, P. Reinke, H.-G. Bach, W. Brinker, C. Zawadzki, A. Dietrich, D. de Felipe, N. Keil, M. Schell

Proceedings Volume 10107, 101070P (2017) https://doi.org/10.1117/12.2250131

KEYWORDS: Graphene, Polymers, Integrated optics, Optics manufacturing, Modulators, Polymer multimode waveguides, Waveguides, Absorption, Optoelectronics, Optical printed circuit boards, Resistance, Modulation, Capacitors, Telecommunications

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Proceedings Article | 25 February 2016 Paper

Paper

Hybrid polymer/InP dual DBR laser for 1.5 um continuous-wave terahertz systems

D. de Felipe, M. Happach, S. Nellen, W. Brinker, M. Kleinert, C. Zawadzki, M. Möhrle, N. Keil, T. Göbel, K. Petermann, M. Schell

Proceedings Volume 9747, 974719 (2016) https://doi.org/10.1117/12.2212989

KEYWORDS: Terahertz radiation, Polymers, Fiber Bragg gratings, Continuous wave operation, Tunable lasers, Absorption, Signal detection, Heterodyning, Semiconductor lasers

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Proceedings Article | 1 May 2015 Paper

Paper

Passive and electro-optic polymer photonics and InP electronics integration

Z. Zhang, V. Katopodis, P. Groumas, A. Konczykowska, J. Dupuy, A. Beretta, A. Dede, E. Miller, J. Choi, P. Harati, F. Jorge, V. Nodjiadjim, R. Dinu, G. Cangini, A. Vannucci, D. Felipe, A. Maese-Novo, N. Keil, H. Bach, Martin Schell, H. Avramopoulos, Ch. Kouloumentas

Proceedings Volume 9516, 951603 (2015) https://doi.org/10.1117/12.2179221

KEYWORDS: Polymers, Modulators, Electronics, Waveguides, Transmitters, Modulation, Eye, Neodymium, Control systems, Ceramics

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Proceedings Article | 27 February 2015 Paper

Paper

Recent progress in InP/polymer-based devices for telecom and data center applications

Moritz Kleinert, Ziyang Zhang, David de Felipe, Crispin Zawadzki, Alejandro Maese Novo, Walter Brinker, Martin Möhrle, Norbert Keil

Proceedings Volume 9365, 93650R (2015) https://doi.org/10.1117/12.2077209

KEYWORDS: Waveguides, Polymers, Polymer multimode waveguides, Mirrors, Optical fibers, Dielectric polarization, Polarization, Integrated optics, Single mode fibers, Signal attenuation

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Proceedings Article | 22 May 2013 Paper

Paper

Low-loss silicon nitrite waveguides in polymer

Ziyang Zhang, Dongliang Liu, Norbert Keil, Norbert Grote

Proceedings Volume 8767, 87670U (2013) https://doi.org/10.1117/12.2017485

KEYWORDS: Waveguides, Polymers, Polymer multimode waveguides, Cladding, Silicon, Fiber Bragg gratings, Optical filters, Optical lithography, Single mode fibers, Dielectric polarization

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Proceedings Article | 7 May 2013 Paper

Paper

Thermo-optic simulations of silicon nitride / polymer hybrid waveguides

Anjin Liu, Ziyang Zhang, Dongliang Liu, Norbert Keil, Norbert Grote

Proceedings Volume 8781, 878105 (2013) https://doi.org/10.1117/12.2017466

KEYWORDS: Waveguides, Polymers, Thermal optics, Silicon, Polymer multimode waveguides, Refractive index, Birefringence, Thermography, Optical simulations, Finite element methods

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Proceedings Article | 28 November 2011 Paper

Paper

Quantifying direct DQPSK receiver with integrated photodiode array by assessing an adapted common-mode rejection ratio

J. Wang, M. Lauermann, C. Zawadzki, W. Brinker, Z. Zhang, D. de Felipe, N. Keil, N. Grote, M. Schell

Proceedings Volume 8308, 83080R (2011) https://doi.org/10.1117/12.904384

KEYWORDS: Receivers, Polymers, Palladium, Waveguides, Photodiodes, Hybrid optics, Photonic integrated circuits, Mirrors, Polymer multimode waveguides, Phase shift keying

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Proceedings Article | 8 February 2008 Paper

Paper

Polymer optical motherboard technology

N. Keil, H. Yao, C. Zawadzki, N. Grote, M. Schell

Proceedings Volume 6899, 689914 (2008) https://doi.org/10.1117/12.762593

KEYWORDS: Polymers, Waveguides, Polymer multimode waveguides, Semiconductor lasers, Integrated optics, Mirrors, Transceivers, Optical fibers, Diodes, Optical filters

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Proceedings Article | 6 July 2006 Paper

Paper

Berlin Access: an initiative of Berlin SMEs and Fraunhofer-HHI for new FTTH technologies

Walter Döldissen, Norbert Keil, Martin Möhrle, Wolfgang Schlaak, Huihai Yao, Crispin Zawadzki

Proceedings Volume 6350, 63500A (2006) https://doi.org/10.1117/12.693031

KEYWORDS: Photonic integrated circuits, Waveguides, Fiber to the x, Transceivers, Polymers, Integrated optics, Optics manufacturing, Semiconductor lasers, Diodes, Thin films

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Proceedings Article | 7 December 2001 Paper

Paper

Polycyanurate ester resins with low loss and low birefringence for use in integrated optics

Christian Dreyer, Monika Bauer, Joerg Bauer, Norbert Keil, HuiHai Yao, Crispin Zawadzki

Proceedings Volume 4461, (2001) https://doi.org/10.1117/12.449847

KEYWORDS: Birefringence, Polymers, Waveguides, Refractive index, Integrated optics, Optical components, Nitrogen, Glasses, Thermography, Multiplexers

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Proceedings Article | 6 November 2001 Paper

Paper

Polymeric planar waveguide devices for photonic network applications

HuiHai Yao, Norbert Keil, Crispin Zawadzki, Joerg Bauer, Monika Bauer, Christian Dreyer

Proceedings Volume 4439, (2001) https://doi.org/10.1117/12.447631

KEYWORDS: Polymers, Waveguides, Polymer multimode waveguides, Switches, Switching, Silica, Electrodes, Multiplexers, Refractive index, Silicon

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Proceedings Article | 6 November 2001 Paper

Paper

Integrated thermo-optic switches in silica/polymer waveguide technology

HuiHai Yao, Norbert Keil, Crispin Zawadzki, Kurt Loesch, Klaus Satzke, Wiltraud Wischmann, J. van Wirth, Joerg Bauer, Monika Bauer, J. Schneider

Proceedings Volume 4453, (2001) https://doi.org/10.1117/12.447634

KEYWORDS: Polymers, Silica, Switching, Waveguides, Polymer multimode waveguides, Electrodes, Refractive index, Switches, Photorefractive polymers, Thermal optics

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Proceedings Article | 22 February 1995 Paper

Paper

Polymer thermo-optic switching matrix for space routing in transparent optical frequency division multiplex (OFDM) networks

Norbert Keil, Bernhard Strebel, HuiHai Yao

Proceedings Volume 2449, (1995) https://doi.org/10.1117/12.201981

KEYWORDS: Polymers, Waveguides, Switches, Polymer multimode waveguides, Switching, Electrodes, Orthogonal frequency division multiplexing, Refractive index, Beam propagation method, Thermal optics

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Proceedings Article | 14 January 1993 Paper

Paper

Optical polymer waveguide devices and their applications to integrated optics and optical signal processing

Norbert Keil, Bernhard Strebel, HuiHai Yao, Crispin Zawadzki, WenYen Hwang

Proceedings Volume 1774, (1993) https://doi.org/10.1117/12.139159

KEYWORDS: Polymers, Waveguides, Integrated optics, Polymer multimode waveguides, Optical components, Photopolymers, Optical filters, Optical amplifiers, Refractive index, Switches

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Proceedings Article | 1 December 1991 Paper

Paper

Applications of optical polymer waveguide devices on future optical communication and signal processing

Norbert Keil, Bernhard Strebel, HuiHai Yao, Juergen Krauser

Proceedings Volume 1559, (1991) https://doi.org/10.1117/12.50678

KEYWORDS: Polymers, Waveguides, Integrated optics, Polymer multimode waveguides, Electro optic polymers, Physics, Chemistry, Channel projecting optics, Optical amplifiers, Polymethylmethacrylate

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Showing 5 of 29 publications

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