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Crosstalk analysis of ring resonator switches for all-optical routing
Author(s) -
M. Ashkan Seyedi,
Antoine Descos,
ChinHui Chen,
Marco Fiorentino,
David Penkler,
François Vincent,
Bertrand Szelag,
Raymond G. Beausoleil
Publication year - 2016
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.24.011668
Subject(s) - resonator , optics , crosstalk , optical switch , channel spacing , optical filter , materials science , optical ring resonators , silicon photonics , photonics , band pass filter , bit error rate , free spectral range , optical power , channel (broadcasting) , wavelength division multiplexing , optoelectronics , physics , computer science , telecommunications , wavelength , laser
Optical switches based on ring resonator cavities were fabricated by a silicon photonics foundry process and analyzed for optical crosstalk at various data rates and channel spacings. These devices were compared to commercial bandpass filters and at 20Gb/s, 0.5dB power penalty is observed due to spectral filtering for bit error ratio threshold of 1 × 10 -9 . Concurrent modulation at 20Gb/s with a channel spacing as narrow as 40GHz shows error-free transmission with 1dB power penalty as compared to wider channel spacing for the ring-based switch.

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