Dr. Fei Sun Profile

Dr. Fei Sun

Senior Scientist at VTT Technical Research Ctr of Finland Ltd

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Author

Publications (11)

Proceedings Article | 12 March 2024 Presentation + Paper

Power-efficient thermo-optic phase shifters with cavity-SOI

Päivi Heimala, Mikko Harjanne, Somnath Paul, Markku Kapulainen, Fei Sun, Juha Larismaa, Timo Aalto

Proceedings Volume 12891, 128910G (2024) https://doi.org/10.1117/12.3002326

KEYWORDS: Silicon photonics, Integrated optics, Waveguides, Phase shifts, Silicon, Semiconducting wafers, Wafer bonding, Power consumption, Fabrication

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Proceedings Article | 12 March 2024 Presentation + Paper

Silicon photonics with ultra-broadband operation from 1.2 to 2.4 µm wavelength

Timo Aalto, Markku Kapulainen, Fei Sun, Mikko Harjanne, Srivathsa Bhat, Katherine Bryant, Yisbel Marin

Proceedings Volume 12891, 1289105 (2024) https://doi.org/10.1117/12.3000158

KEYWORDS: Waveguides, Photonic integrated circuits, Arrayed waveguide gratings, Echelle gratings, Silicon, Polarization, Silicon photonics, Light sources, Single mode fibers

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Proceedings Article | 17 March 2023 Poster + Paper

Monolithically integratable broad-band anti-reflection stacks for Si photonics platforms

Fei Sun, Mikko Harjanne, Päivi Heimala, Markku Kapulainen, Timo Aalto

Proceedings Volume 12424, 124240Y (2023) https://doi.org/10.1117/12.2647717

KEYWORDS: Antireflective coatings, Silicon photonics, Photonics, Waveguides, Optical communications, Integrated optics, Integrated optical circuits, Photonic integrated circuits

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Proceedings Article | 13 March 2023 Presentation + Paper

Tapered MMI splitters with unconstrained splitting ratio on a thick SOI platform

Matteo Cherchi, Mikko Harjanne, Katherine Bryant, Fei Sun, Päivi Heimala, Timo Aalto

Proceedings Volume 12426, 1242603 (2023) https://doi.org/10.1117/12.2648391

KEYWORDS: Waveguides, Silicon photonics, Directional couplers

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Proceedings Article | 26 February 2020 Paper

Monolithic integration of up to 40 GHz Ge photodetectors in 3um SOI

Tapani Vehmas, Markku Kapulainen, Päivi Heimala, Giovanni Delrosso, Fei Sun, Feng Gao, Timo Aalto

Proceedings Volume 11285, 112850V (2020) https://doi.org/10.1117/12.2542165

KEYWORDS: Sensors, Germanium, Waveguides, Silicon, Diffusion, Capacitance, Oxides, Photodetectors, Electrons, Chemical mechanical planarization

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Proceedings Article | 26 February 2020 Presentation + Paper

Flat-top interleavers based on single MMIs

Matteo Cherchi, Fei Sun, Markku Kapulainen, Mikko Harjanne, Timo Aalto

Proceedings Volume 11285, 112850G (2020) https://doi.org/10.1117/12.2544784

KEYWORDS: Waveguides, Phase shifts, Silicon, Directional couplers, Silicon photonics

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Proceedings Article | 27 February 2019 Presentation + Paper

Si photonics using micron-size waveguides

Timo Aalto, Matteo Cherchi, Mikko Harjanne, Fei Sun, Tapani Vehmas, Srivathsa Bhat, Markku Kapulainen, Ari Hokkanen, Lauri Lehtimäki, Heikki Holmberg, Atte Haapalinna

Proceedings Volume 10914, 109140B (2019) https://doi.org/10.1117/12.2516289

KEYWORDS: Waveguides, Silicon, Polarization, Mirrors, Vertical cavity surface emitting lasers, Sensors, Modulators, Semiconducting wafers, Silicon photonics, Germanium

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Proceedings Article | 20 February 2017 Presentation + Paper

Second order add/drop filter with a single ring resonator

Matteo Cherchi, Fei Sun, Markku Kapulainen, Tapani Vehmas, Mikko Harjanne, Timo Aalto

Proceedings Volume 10108, 101080B (2017) https://doi.org/10.1117/12.2252146

KEYWORDS: Microrings, Resonators, Waveguides, Interferometers, Silicon photonics, Optical filters, Photonic integrated circuits, Directional couplers, Reflectors, Laser applications, Mach-Zehnder interferometers, Silicon, Brain-machine interfaces, Semiconducting wafers, Etching, Photomasks, Oxides

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Proceedings Article | 20 February 2017 Presentation + Paper

Fabrication tolerant flat-top interleavers

Matteo Cherchi, Fei Sun, Markku Kapulainen, Tapani Vehmas, Mikko Harjanne, Timo Aalto

Proceedings Volume 10108, 101080V (2017) https://doi.org/10.1117/12.2252110

KEYWORDS: Waveguides, Interferometers, Tolerancing, Semiconducting wafers, Photonic integrated circuits, Integrated circuits, Silicon, Silicon photonics, Mach-Zehnder interferometers, Resonators, Brain-machine interfaces, Etching, Photomasks, Oxides, Optical filters

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Proceedings Article | 18 February 2010 Paper

Efficiency of integrated waveguide probes in the detection of fluorescence and backscattered light

N. Ismail, F. Sun, F. Civitci, K. Wörhoff, R. de Ridder, M. Pollnau, A. Driessen

Proceedings Volume 7559, 755903 (2010) https://doi.org/10.1117/12.839910

KEYWORDS: Waveguides, Scattering, Light scattering, Raman scattering, Fluorescence spectroscopy, Luminescence, Integrated optics, Raman spectroscopy, Statistical modeling, Optical fibers

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Proceedings Article | 12 February 2010 Paper

High performance optical waveguides based on boron and phosphorous doped silicon oxynitride

Fei Sun, Alfred Driessen, Kerstin Wörhoff

Proceedings Volume 7604, 760403 (2010) https://doi.org/10.1117/12.845634

KEYWORDS: Annealing, Refractive index, Channel waveguides, Silicon, Hydrogen, FT-IR spectroscopy, Boron, Absorption, Scanning electron microscopy, Plasma enhanced chemical vapor deposition

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Showing 5 of 11 publications

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