Optical communication apparatus and optical add/drop apparatus

Details Optical communication apparatus and optical add/drop apparatus Optical communication apparatus and optical add/drop apparatus

2007-12-10

2009-08-18

Pascal, Leslie (Department: 2613)

Optical communications

Transmitter

Including compensation

Reexamination Certificate

active

07577368

ABSTRACT:
An apparatus comprising an optical modulator modulating a light in accordance with a modulation signal and an operating point of the optical modulator, to thereby output a modulated optical signal; and a controller controlling the operating point in accordance with a branched portion of the modulated optical signal and a detected intensity of the modulation signal so that the operating point is kept stable when the detected intensity falls below a predetermined value.

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