Return-to-zero alternative-mark-inversion optical...

Details Return-to-zero alternative-mark-inversion optical... Return-to-zero alternative-mark-inversion optical...

2005-09-12

2008-11-11

Leung, Christina Y (Department: 2613)

Optical communications

Transmitter

Having particular modulation

C398S186000, C398S188000

Reexamination Certificate

active

07450861

ABSTRACT:
An optical transmitter for generating return-to-zero alternative-mark-inversion (RZ-AMI) optical signals and a method for generating the optical signals are provided. The optical transmitter includes a light source radiating at its output an intensity-modulated light beam based upon intensity of a first data, a precoder for precoding a second data having the information identical to the first data, and a Mach Zehnder modulator for phase-modulating the intensity-modulated light on basis of the precoded second data to generate a return-to-zero alternative-mark-inversion (RZ-AMI) optical signal.

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patent: 2003/0156774 (2003-08-01), Conradi
patent: 2004/0217475 (2004-11-01), Derkits et al.
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patent: 10-112688 (1998-04-01), None
patent: 2000-106543 (2000-04-01), None

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