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United States Patent - Feedback-Controlled Coherent Optical Receiver with Electrical Compensation/Equalization (2008)


Patent Number: US 7,406,269 B2
Date of Patent: July 29, 2008

Inventors: Donald A. Becker, Daniel R. Mohr, Christoph T. Wree, Abhay M. Joshi
Assignee: Discovery Semiconductors, Inc.

ABSTRACT

An optical coherent receiver in one embodiment has a heterodyne configuration, and in another embodiment has a homodyne configuration, in each configuration employs multiple feedback signaling and analog/digital processing to optimize response to a modulated optical input signal, the provision of both indiviual RF I and RF Q channel outputs.

Related links: Feedback-Controlled Coherent Optical Receiver with Electrical Compensation/Equalization

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