Method and apparatus for sub-carrier frequency control

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United States of America Patent

PATENT NO 9344307
APP PUB NO 20100278536A1
SERIAL NO

12433316

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Abstract

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The invention pertains to methods, apparatus, and systems for controlling the sub-carrier frequencies in an optical frequency division multiplex communication system by using a metric available from the sub-carrier modem's digital receive block as an indicator of cross-talk between sub-carriers and adjusting the sub-carrier frequency separation as a function of that metric.

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Patent Owner(s)

  • CIENA CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mak, Gary Stittsville, CA 15 115
Velez, Edgar Kanata, CA 15 247

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