Optical transmission system

Details Optical transmission system Optical transmission system

2006-10-04

2008-10-28

Bolda, Eric (Department: 3663)

Optical: systems and elements

Optical amplifier

C398S175000

Reexamination Certificate

active

07443574

ABSTRACT:
An optical transmission system includes an optical nonlinear element having nonlinear input/output characteristics, a power detector detecting a power of a specific frequency component related to an optical signal reproduced by the optical nonlinear element, and a variable amplifier amplifying or attenuating the optical signal inputted to the optical nonlinear element. Evaluation of an output waveform is performed based on the power of the specific frequency component detected by the power detector, and a gain of the variable amplifier is properly controlled, so that an input power of the optical signal inputted to the optical nonlinear element can be easily set such that a good output waveform can be obtained without directly measuring the inputted or outputted optical signal.

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European Search Report dated Dec. 28, 2007.

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