Low-power, 2×2 silicon electro-optic switch with 110-nm bandwidth for broadband reconfigurable optical networks
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- 16 December 2009
- journal article
- Published by Optica Publishing Group in Optics Express
- Vol. 17 (26) , 24020-24029
- https://doi.org/10.1364/oe.17.024020
Abstract
We present an ultra-broadband Mach-Zehnder based optical switch in silicon, electrically driven through carrier injection. Crosstalk levels lower than -17dB are obtained for both the ‘on’ and ‘off’ switching states over an optical bandwidth of 110nm, owing to the implementation of broadband 50% couplers. Full 2×2 switching functionality is demonstrated, with low power consumption (~3mW) and a fast switching time (VπL (~0.06V·mm). The wide optical bandwidth is maintained for temperature variations up to 30K.Keywords
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