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Conferences > IPRSN > 2012 > ITu3B > ITu3B.3

Apodized comb filters on SOI using sidewalled sampled gratings

Venkat Veerasubramanian, Guillaume Beaudin, Alexandre Giguère, Boris Le Drogoff, Vincent Aimez, and Andrew G. Kirk

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Abstract

We propose comb filters using sidewalled sampled gratings, where the etch depths in the fingers and spaces have been apodized in a complementary fashion. We numerically demonstrate filters with 40 dB SMSR, 92 GHz bandwidth, 200 GHz channel spacing, and 120 dB/decade roll-off.

© 2012 Optical Society of America

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