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Proceedings Paper

Large-scale wavelength and polarization insensitive optical switch on SOI from 1260 nm to 1360 nm
Author(s): Bryce A. Dorin; Dominic Goodwill; Eric Bernier; Winnie N. Ye
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Paper Abstract

The 2x2 optical switch is a crucial component to the future of optical communications and integrated optics. Optical switches on the silicon-on-insulator (SOI) platform have shown advantages in terms of device footprint and switching speed. However, due to the intrinsic properties of SOI rib waveguides, these devices suffer from a strong wavelength and polarization dependent response. Our work presents an SOI based Mach-Zehnder interferometer (MZI) switch which is both polarization and wavelength insensitive over a large bandwidth of 1260-1360 nm. We have completed detailed analyses on the polarization and wavelength performance of the MZI, and obtained optimized parameters in a novel design to reduce the crosstalk f or transverse electric (TE) and transverse magnetic (TM) modes over the wavelength range 1260-1360 nm. Our simulations suggest that we successfully obtained a polarization and wavelength insensitive MZI. A crosstalk level below -18 dB is achieved for both the TE and TM modes in the on-state and the off-state, across the 100 nm bandwidth. Such a polarization and wavelength insensitive switch has a variety of applications in wavelength division multiplexing and other communication systems.

Paper Details

Date Published: 11 October 2013
PDF: 15 pages
Proc. SPIE 8915, Photonics North 2013, 89150T (11 October 2013); doi: 10.1117/12.2037895
Show Author Affiliations
Bryce A. Dorin, Carleton Univ. (Canada)
Dominic Goodwill, Huawei Technologies Canada Co. Ltd. (Canada)
Eric Bernier, Huawei Technologies Canada Co. Ltd. (Canada)
Winnie N. Ye, Carleton Univ. (Canada)


Published in SPIE Proceedings Vol. 8915:
Photonics North 2013
Pavel Cheben; Jens Schmid; Caroline Boudoux; Lawrence R. Chen; André Delâge; Siegfried Janz; Raman Kashyap; David J. Lockwood; Hans-Peter Loock; Zetian Mi, Editor(s)

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