Method and apparatus for controlling the power level in an...

Details Method and apparatus for controlling the power level in an... Method and apparatus for controlling the power level in an...

2006-07-04

2006-07-04

Leung, Christina Y. (Department: 2633)

Optical communications

Optical repeater system

Regenerative

C398S180000

Reexamination Certificate

active

07072589

ABSTRACT:
An optical regenerator enabling matching of self-phase modulation induced spectral broadening and optical regenerator filter center wavelengths and bandwidths for different fiber dispersion values. The regenerator monitors the central part of an input signal spectrum at the output of a non-linear medium and suppresses the power at the center wavelength to allow for a constant spectral broadening for different fiber dispersion values. The regenerator utilizes a control filter to control a variable amplifier via a feedback loop, and the variable amplifier adjusts the power of the signal launched into the non-linear medium to ensure a sufficient self-phase modulation broadened spectrum.

REFERENCES:
patent: 6141129 (2000-10-01), Mamyshev
patent: 6587242 (2003-07-01), Shake et al.
patent: 2004/0208609 (2004-10-01), Eggleton et al.

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