Dr. Somnath Paul Profile

Dr. Somnath Paul

at VTT

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Publications (4)

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 | 28 April 2017 Presentation

TiO2-coated single and multi-wavelength shifted Bragg grating in SOI platform as add-drop filter (Conference Presentation)

Somnath Paul, Ismo Vartiainen, Matthieu Roussey, Toni Saastamoinen, Jani Tervo, Seppo Honkanen, Markku Kuittinen

Proceedings Volume 10108, 101080U (2017) https://doi.org/10.1117/12.2251807

KEYWORDS: Titanium dioxide, Silicon photonics, Waveguides, Fiber Bragg gratings, Silicon, Optical filters, Atomic layer deposition, Reflection, Coating, Signal attenuation

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Proceedings Article | 27 February 2015 Paper

Cross-slot waveguide Bragg grating

Matthieu Roussey, Petri Stenberg, Arijit Bera, Somnath Paul, Jani Tervo, Markku Kuittinen, Seppo Honkanen

Proceedings Volume 9371, 93711T (2015) https://doi.org/10.1117/12.2077418

KEYWORDS: Waveguides, Polarization, Fiber Bragg gratings, Silicon, Refractive index, Photonics, Photonic crystals, Finite-difference time-domain method, Silica, Nanowires

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Proceedings Article | 1 May 2014 Paper

Analysis of a polarization-independent nonlinear cross-slot waveguide with Fourier Modal Method (FMM)

Somnath Paul, Jani Tervo, Seppo Honakanen

Proceedings Volume 9133, 913313 (2014) https://doi.org/10.1117/12.2048994

KEYWORDS: Waveguides, Refractive index, Silicon, Amorphous silicon, Kerr effect, Nonlinear optics, Telecommunications, Polarization, Silicon photonics, Titanium dioxide

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