Dr. Roland Ryf Profile

Dr. Roland Ryf

Technical Staff at Nokia Bell Labs

SPIE Involvement:

Author

Publications (17)

SPIE Journal Paper | 13 September 2023 Open Access

Open Access

On-chip metamaterial-enabled high-order mode-division multiplexing

Yu He, Xingfeng Li, Yong Zhang, Shaohua An, Hongwei Wang, Zhen Wang, Haoshuo Chen, Yetian Huang, Hanzi Huang, Nicolas Fontaine, Roland Ryf, Yuhan Du, Lu Sun, Xingchen Ji, Xuhan Guo, Yingxiong Song, Qianwu Zhang, Yikai Su

AP, Vol. 5, Issue 05, 056008, (September 2023) https://doi.org/10.1117/12.10.1117/1.AP.5.5.056008

KEYWORDS: Waveguides, Waveguide modes, Multiplexing, Dispersion, Optical transmission, Data transmission, Refractive index, Engineering, Wave propagation, Quantum channels

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Proceedings Article | 24 March 2023 Presentation

Presentation

Field transmission performance of coupled/uncoupled multicore fiber

Mikael Mazur, Roland Ryf, Nicolas Fontaine, Haoshuo Chen, Lauren Dallachiesa, David Neilson, Tetsuya Hayashi, Antonio Mecozzi, Cristian Antonelli, Andrea Marotta

Proceedings Volume 12429, 124290C (2023) https://doi.org/10.1117/12.2650796

KEYWORDS: Fiber couplers, Digital signal processing, Telecommunications, Optical communications

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Proceedings Article | 17 March 2023 Presentation

Presentation

Arbitrary vector spatiotemporal beamshaping: any amplitude, phase and polarization at any delay

Mickael Mounaix, Nicolas Fontaine, David Neilson, Roland Ryf, Haoshuo Chen, Juan Carlos Alvarado-Zacarias, Joel Carpenter

Proceedings Volume PC12436, PC1243603 (2023) https://doi.org/10.1117/12.2652118

KEYWORDS: Polarization, Beam shaping, Wave propagation, Scattering, Laser scattering

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Proceedings Article | 9 March 2022 Presentation

Presentation

Arbitrary vector spatiotemporal light field generation

Mickael Mounaix, Nicolas Fontaine, David Neilson, Roland Ryf, Haoshuo Chen, Juan Carlos Alvarado-Zacarias, Joel Carpenter

Proceedings Volume PC12017, PC120170E (2022) https://doi.org/10.1117/12.2613611

KEYWORDS: Wavefronts, Wave propagation, Ultrafast phenomena, Scattering, Polarization, Microwave radiation, Light wave propagation, Light scattering, Acoustics

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Proceedings Article | 5 March 2021 Presentation + Paper

Presentation + Paper

Large capacity and wideband transmission over SDM fibers

Georg Rademacher, Benjamin Puttnam, Ruben Luís, Werner Klaus, Jun Sakaguchi, Roland Ryf, Sjoerd van der Heide, Nicolas Fontaine, Haoshuo Chen, René-Jean Essiambre, Yoshinari Awaji, Hideaki Furukawa

Proceedings Volume 11713, 1171307 (2021) https://doi.org/10.1117/12.2582478

KEYWORDS: Optical fibers, Multiplexing, L band, Fiber couplers

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Proceedings Article | 3 January 2020 Paper

Paper

Laguerre-Gaussian mode sorters of high spatial mode count

Nicolas Fontaine, Roland Ryf, Haoshuo Chen, David Neilson, Kwangwoong Kim, Joel Carpenter

Proceedings Volume 11203, 1120319 (2020) https://doi.org/10.1117/12.2560595

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Proceedings Article | 30 December 2019 Paper

Paper

Time reversal of optical waves

M. Mounaix, N. Fontaine, H. Chen, R. Ryf, D. Neilson, Joel Carpenter

Proceedings Volume 11200, 112001R (2019) https://doi.org/10.1117/12.2556661

KEYWORDS: Polarization, Geometrical optics, Spatial light modulators, Multimode fibers, Optical transfer functions, Wave propagation, Control systems, Free space optics, Acoustics, Optical communications

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Proceedings Article | 1 March 2019 Paper

Paper

Laguerre-Gaussian mode sorter

Nicolas Fontaine, Roland Ryf, Haoshuo Chen, David Neilson, Kwangwoong Kim, Joel Carpenter

Proceedings Volume 10935, 1093512 (2019) https://doi.org/10.1117/12.2507595

KEYWORDS: Spatial light modulators

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Proceedings Article | 14 September 2018 Presentation + Paper

Presentation + Paper

Multi-plane light conversion of high spatial mode count

Nicolas Fontaine, Roland Ryf, Haoshuo Chen, David Neilson, Kwangwoong Kim, Joel Carpenter

Proceedings Volume 10744, 107440M (2018) https://doi.org/10.1117/12.2323200

KEYWORDS: Spatial light modulators, Polarization, Cylindrical lenses, Mirrors, Geometrical optics, Optical components, Spatial resolution, Superposition, Fourier transforms, Beam splitters

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Proceedings Article | 20 March 2018 Presentation

Presentation

Low-differential modal gain multimode fiber amplifiers (Conference Presentation)

Rodrigo Amezcua-Correa, Jose Enrique Antonio-Lopez, Zeinab Sanjabi Eznaveh, Juan Carlos Alvarado Zacarias, Axel Schülzgen, Guifang Li, Nicolas Fontaine, Roland Ryf, Haoshuo Chen, Cédric Gonnet, Pierre Sillard

Proceedings Volume 10561, 105610G (2018) https://doi.org/10.1117/12.2297118

KEYWORDS: Fiber amplifiers, Optical amplifiers, Multimode fibers, Optical fibers, Single mode fibers, Complex systems, Space division multiplexing, Optical networks

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Proceedings Article | 28 January 2017 Presentation + Paper

Presentation + Paper

Integrated optical fiber amplifiers for space-division multiplexed systems

Haoshuo Chen, Cang Jin, Bin Huang, Nicolas Fontaine, Roland Ryf, Ren-Jean Essiambre, Youns Messaddeq, Sophie LaRochelle

Proceedings Volume 10130, 1013005 (2017) https://doi.org/10.1117/12.2256180

KEYWORDS: Optical amplifiers, Fiber amplifiers, Integrated optics, Cladding, Multiplexing, Single mode fibers, Wavelength division multiplexing, Refractive index, Semiconductor lasers, Polymers

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Proceedings Article | 25 January 2012 Open Access

Open Access

Paper

Space-division multiplexed transmission over few-mode- and coupled-core fiber based on coherent MIMO digital signal processing

Roland Ryf, Sebastian Randel, René-Jean Essiambre, Peter Winzer

Proceedings Volume 8284, 828402 (2012) https://doi.org/10.1117/12.915671

KEYWORDS: Digital signal processing, Single mode fibers, Raman spectroscopy, Optical amplifiers, Fiber couplers, Beam splitters, Waveguide modes, Multiplexing, Space division multiplexing, Multiplexers

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Proceedings Article | 8 February 2008 Paper

Paper

Closed-loop AO demonstration of MEMS SLM with piston, tip and tilt control

Harold Dyson, Flavio Pardo, Roland Ryf, Vladimir Aksyuk, Robert Frahm, Arman Gasparyan, Rick Papazian, David Ramsey, Maria Elina Simon, Susanne Arney

Proceedings Volume 6888, 68880T (2008) https://doi.org/10.1117/12.770432

KEYWORDS: Spatial light modulators, Adaptive optics, Point spread functions, Microelectromechanical systems, Cameras, Control systems, Electronics, Wavefront sensors, Prototyping, Actuators

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Proceedings Article | 30 August 2005 Paper

Paper

MEMS tip/tilt and piston mirror arrays as diffractive optical elements

Roland Ryf, Howard Stuart, C. Giles

Proceedings Volume 5894, 58940C (2005) https://doi.org/10.1117/12.620566

KEYWORDS: Spatial light modulators, Diffraction, Mirrors, Beam steering, Adaptive optics, Spatial frequencies, Telescopes, Spherical lenses, Optical components, Microelectromechanical systems

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Proceedings Article | 24 April 2003 Paper

Paper

Optical MEMS devices for telecom systems

Flavio Pardo, Vladimir Aksyuk, Susanne Arney, H. Bair, Nagesh Basavanhally, David Bishop, Gregory Bogart, Cristian Bolle, J. Bower, Dustin Carr, H. Chan, Raymond Cirelli, E. Ferry, Robert Frahm, Arman Gasparyan, John Gates, C. Randy Giles, L. Gomez, Suresh Goyal, Dennis Greywall, Martin Haueis, R. Keller, Jungsang Kim, Fred Klemens, Paul Kolodner, Avi Kornblit, T. Kroupenkine, Warren Lai, Victor Lifton, Jian Liu, Yee Low, William Mansfield, Dan Marom, John Miner, David Neilson, Mark Paczkowski, C. Pai, A. Ramirez, David Ramsey, S. Rogers, Roland Ryf, Ronald Scotti, Herbert Shea, M. Simon, H. Soh, Hong Tang, J. Taylor, K. Teffeau, Joseph Vuillemin, J. Weld

Proceedings Volume 5116, (2003) https://doi.org/10.1117/12.499075

KEYWORDS: Mirrors, Electrodes, Silicon, Microelectromechanical systems, Switches, Reflectors, Semiconducting wafers, Microopto electromechanical systems, Oxides, Optical fabrication equipment

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Proceedings Article | 13 December 2001 Paper

Paper

Scalable micro mechanical optical crossconnects

Roland Ryf, David Neilson, C. Randy Giles

Proceedings Volume 4455, (2001) https://doi.org/10.1117/12.450424

KEYWORDS: Switches, Mirrors, Micromirrors, Microelectromechanical systems, Dense wavelength division multiplexing, Microlens array, Beam steering, Microlens, Signal attenuation, Channel projecting optics

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Proceedings Article | 15 March 2001 Paper

Paper

Interband photorefractive effects and applications

Germano Montemezzani, P. Bernasconi, Ph. Dittrich, Roland Ryf, Peter Guenter

Proceedings Volume 4358, (2001) https://doi.org/10.1117/12.418835

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Showing 5 of 17 publications

Conference Committee Involvement (1)

Next-Generation Optical Communication: Components, Sub-Systems, and Systems XIV

25 January 2025 | San Francisco, California, United States

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