Optical communication system using correlation receiver

Details Optical communication system using correlation receiver Optical communication system using correlation receiver

2007-08-21

2007-08-21

Leung, Christina (Department: 2613)

Optical communications

Transmitter and receiver system

Including synchronization

C398S208000

Reexamination Certificate

active

10288167

ABSTRACT:
The present invention provides for a system and method for an optical communication system that utilizes an optical modulator as an optical correlator in a receiver. The present invention may be used as a correlator in a receiver for an On-Off Keying (OOK) system or for a Differential Phase Shift Keying (DPSK) system. A correlation modulator is followed by a low pass filter, which together act as a correlator to determine the correlation of the received waveform with possible transmitted waveforms to produce a maximized signal-noise ratio. The result is a high data rate communication system and method that approaches the theoretical performance limit.

REFERENCES:
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patent: 6175433 (2001-01-01), Patel et al.
patent: 6404528 (2002-06-01), Pfeiffer
patent: 6421483 (2002-07-01), Hajjar
patent: 6826371 (2004-11-01), Bauch et al.
patent: 7130545 (2006-10-01), Lou et al.
patent: 2003/0007216 (2003-01-01), Chraplyvy et al.

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