Polarization duobinary optical transmitter

Details Polarization duobinary optical transmitter Polarization duobinary optical transmitter

2006-03-09

2009-02-03

Phan, Hanh (Department: 2613)

Optical communications

Transmitter

Having particular modulation

C398S184000, C398S185000, C398S186000, C398S187000, C398S188000, C398S193000, C398S194000, C398S200000, C398S201000, C398S065000, C398S152000, C398S147000, C398S158000, C398S159000, C385S001000, C385S003000, C385S039000, C385S024000, C385S011000, C356S364000, C356S365000, C356S073100, C356S367000, C356S368000, C359S246000, C359S249000

Reexamination Certificate

active

07486897

ABSTRACT:
A polarization duobinary optical transmitter is disclosed. The transmitter includes a precoder for coding an electric signal and a light source for generating continuous light. The transmitter also includes a chirped-free modulator for generating an NRZ signal including first and second polarization light beams orthogonal to each other by modulating the light with the electric signal and a band-pass filter for limiting neighbor frequency bands between the first and second polarization light beams.

REFERENCES:
patent: 6097525 (2000-08-01), Ono et al.
patent: 6304353 (2001-10-01), Gehlot
patent: 2000-312184 (2000-11-01), None
patent: 2003-348022 (2003-12-01), None
patent: 2004-070130 (2004-03-01), None
patent: 2004-235988 (2004-08-01), None
patent: 2005-006323 (2005-01-01), None
patent: 2005-269648 (2005-09-01), None
Siddiqui, A. Shamim, et al; “Dispersion-Tolerant Transmission Using a Duobinary Polarization-Shift Keying Transmission Scheme;” IEEE Photonics Technology Letters, vol. 14, No. 2; Feb. 2002.

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