Carrier recovery in a coherent optical receiver

Details Carrier recovery in a coherent optical receiver Carrier recovery in a coherent optical receiver

2006-03-03

2009-10-20

Sedighian, M. R. (Department: 2613)

Optical communications

Transmitter and receiver system

Including polarization

C398S154000, C398S159000

Reexamination Certificate

active

07606498

ABSTRACT:
A method of carrier recovery from a high speed optical signal received through an optical communications network. A stream of multi-bit digital samples of the optical signal is processed to generate a multi-bit estimate X′(n) of each one of a plurality of transmitted symbols. A phase of each symbol estimate X′(n) is rotated, and a respective symbol phase error Δφ(n) of the rotated symbol estimate determined.

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