Driver for an optical transmitter

Details Driver for an optical transmitter Driver for an optical transmitter

2005-10-11

2009-12-29

Leung, Christina Y (Department: 2613)

Optical communications

Transmitter

Including compensation

C398S183000, C398S197000

Reexamination Certificate

active

07639954

ABSTRACT:
A modulation driver for delivering an output modulation current for driving an optical source of an optical transmitter, the output modulation current comprises a first modulation current region characterised with a first temperature gradient and a second modulation current region characterised with a second temperature gradient, said first modulation current region and said second modulation region being for delivering modulation current at a first temperature range and a second temperature range, temperatures of said second temperature being higher than temperatures of said first temperature range, said second temperature gradient being larger than said first temperature gradient.

REFERENCES:
patent: 5107362 (1992-04-01), Motoshima et al.
patent: 6362910 (2002-03-01), Tokita
patent: 2004/0028099 (2004-02-01), Hongo et al.
patent: 2006/0197452 (2006-09-01), Zhang
patent: 1246002 (2000-03-01), None
patent: 2162399 (1986-01-01), None
patent: 63-229881 (1988-09-01), None
patent: 10-209538 (1998-08-01), None
patent: 2000-299498 (2000-10-01), None
patent: 2001-156719 (2001-06-01), None
Harry Dutton, “Understanding Optical Communications”, IBM International Technical Support Organization, Sep. 1998.
International Search Report mailed by the International Bureau on Feb. 1, 2007 in corresponding PCT/CN2006/002508.

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