Dr. Edward H. Bernhardi Profile

Dr. Edward H. Bernhardi

at Univ Twente

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Author

Publications (8)

Proceedings Article | 26 April 2019 Paper

Spectral behavior of integrated distributed-feedback resonators utilizing a distributed phase shift

C. Kores, N. Ismail, E. Bernhardi, F. Laurell, M. Pollnau

Proceedings Volume 11031, 110310V (2019) https://doi.org/10.1117/12.2523926

KEYWORDS: Phase shifts, Resonators, Waveguides, Bragg gratings, Refractive index, Optical design, Reflection, Light wave propagation

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Proceedings Article | 7 March 2019 Paper

Lasing wavelength in dielectric distributed-feedback lasers with a distributed phase shift

C. Kores, N. Ismail, E. Bernhardi, F. Laurell, M. Pollnau

Proceedings Volume 10896, 1089615 (2019) https://doi.org/10.1117/12.2514805

KEYWORDS: Phase shifts, Resonators, Waveguides, Refractive index, Laser resonators, Optical design, Bragg gratings, Dielectrics, Reflectivity

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Proceedings Article | 17 May 2018 Paper

Temperature dependence of spectral characteristics of distributed feedback resonators

C. Kores, N. Ismail, D. Geskus, M. Dijkstra, E. Bernhardi, M. Pollnau

Proceedings Volume 10683, 106830B (2018) https://doi.org/10.1117/12.2307023

KEYWORDS: Waveguides, Aluminum, Resonators, Silicon, Bragg gratings, Refractive index

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Proceedings Article | 20 February 2017 Presentation + Paper

The linewidth of distributed feedback resonators: the combined effect of thermally induced chirp and gain narrowing

Cristine C. Kores, Dimitri Geskus, Nur Ismail, Meindert Dijkstra, Edward Bernhardi, Markus Pollnau

Proceedings Volume 10090, 1009014 (2017) https://doi.org/10.1117/12.2252739

KEYWORDS: Laser resonators, Resonators, Thermal effects, Channel waveguides, Refractive index, Phase shifts, Photons, Absorption, Waveguides, Reflectivity

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Proceedings Article | 27 February 2015 Paper

Spiral amplifiers in a-Al2O3:Er on a silicon chip with 20 dB internal net gain

S. Vázquez-Córdova, E. Bernhardi, Ke. Wörhoff, J. Herek, S. García-Blanco, M. Pollnau

Proceedings Volume 9365, 93650M (2015) https://doi.org/10.1117/12.2077503

KEYWORDS: Waveguides, Ions, Doping, Amplifiers, Silicon, Erbium, Neodymium, Optical amplifiers, Wavelength division multiplexing, Semiconducting wafers

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Proceedings Article | 1 May 2014 Paper

Erbium-doped spiral amplifiers with 20 dB gain on a silicon chip

S. Vázquez-Córdova, E. Bernhardi, K. Wörhoff, S. García-Blanco, M. Pollnau

Proceedings Volume 9133, 913308 (2014) https://doi.org/10.1117/12.2052298

KEYWORDS: Waveguides, Optical amplifiers, Erbium, Silicon, Channel waveguides, Wave propagation, Light wave propagation, Absorption, Amplifiers, Semiconductor lasers

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Proceedings Article | 6 March 2013 Paper

Rare-earth-ion-doped ultra-narrow-linewidth lasers on a silicon chip and applications to intra-laser-cavity optical sensing

E. Bernhardi, R. de Ridder, K. Wörhoff, M. Pollnau

Proceedings Volume 8599, 859909 (2013) https://doi.org/10.1117/12.2012520

KEYWORDS: Microwave radiation, Phase shifts, Waveguides, Semiconductor lasers, Waveguide lasers, Silicon, Fiber Bragg gratings, Reflectivity, Laser applications, Sensors

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Proceedings Article | 16 February 2010 Paper

On-chip integrated lasers in Al2O3:Er on silicon

M. Pollnau, J. Bradley, F. Ay, E. Bernhardi, R. de Ridder, K. Wörhoff

Proceedings Volume 7605, 76050M (2010) https://doi.org/10.1117/12.845842

KEYWORDS: Erbium, Silicon, Waveguides, Integrated optics, Channel waveguides, Optical amplifiers, Resonators, Semiconductor lasers, Absorption, Output couplers

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Showing 5 of 8 publications

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