Optical phase and intensity modulation with improved...

Details Optical phase and intensity modulation with improved... Optical phase and intensity modulation with improved...

2003-12-11

2008-03-25

Chan, Jason (Department: 2613)

Optical communications

Transmitter

Having particular modulation

C398S140000, C398S183000, C359S276000, C359S279000

Reexamination Certificate

active

07349636

ABSTRACT:
An apparatus for transmitting at least a digital optical signal with a simultaneous modulation of the amplitude and the phase, the said encoded optical signal having improved spectral efficiency and performances, and being generated by transmitters with simplified scheme; an optical communication system comprising the said apparatus, a transmission line and an apparatus to receive the said optical signal.

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patent: 6122086 (2000-09-01), Djupsjobacka
patent: 6813448 (2004-11-01), Chiappetta
patent: 2003/0007216 (2003-01-01), Chraplyvy et al.
patent: 2006/0221437 (2006-10-01), Smith et al.
Novel CS-RZ signal format with tunable pulse width and better tolerance to nonlinear degradation; Li et al.; Lasers and Electro-Optics Society, 2003, LEOS 2003. The 16th Annual Meeting of the IEEE; vol. 2, pp. 763-764.

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