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Proceedings Paper

Active polarization independent coupling to silicon photonics circuit
Author(s): J. Niklas Caspers; Yun Wang; Lukas Chrostowski; Mo Mojahedi
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Paper Abstract

We have experimentally demonstrated the ability to couple an arbitrary polarization state from a fiber to the TE-mode of a single waveguide in an integrated silicon photonics circuit with an extinction ratio larger than 31 dB, measured between the output ports of the integrated photonic circuit. To achieve this we combined a 2D- grating coupler and a Mach-Zehnder Interferometer (MZI). After accounting for setup and coupling losses, for a 1 mW input into the 2D coupler, we obtain an average output power of 0.98 mW at the desired waveguide, with less than 1.2 dB variation across all input polarization states. The experiments were performed at a wavelength of 1.55 μm.

Paper Details

Date Published: 1 May 2014
PDF: 11 pages
Proc. SPIE 9133, Silicon Photonics and Photonic Integrated Circuits IV, 91330G (1 May 2014); doi: 10.1117/12.2049713
Show Author Affiliations
J. Niklas Caspers, Univ. of Toronto (Canada)
Yun Wang, The Univ. of British Columbia (Canada)
Lukas Chrostowski, The Univ. of British Columbia (Canada)
Mo Mojahedi, Univ. of Toronto (Canada)


Published in SPIE Proceedings Vol. 9133:
Silicon Photonics and Photonic Integrated Circuits IV
Laurent Vivien; Seppo Honkanen; Lorenzo Pavesi; Stefano Pelli; Jung Hun Shin, Editor(s)

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