Gain-clamped semiconductor optical amplifier

Details Gain-clamped semiconductor optical amplifier Gain-clamped semiconductor optical amplifier

2007-02-06

2007-02-06

Keith, Jack (Department: 3663)

Optical: systems and elements

Optical amplifier

Particular active medium

C398S175000

Reexamination Certificate

active

10922677

ABSTRACT:
A gain-clamped semiconductor optical amplifier includes a semiconductor optical amplifier for amplifying an inputted optical signal and outputting amplified spontaneous emission light, the amplified spontaneous emission light consisting of a first portion and a second portion, the first portion having a wavelength range to be amplified. The amplifier further includes a wavelength selective reflector for allowing the first portion of the amplified spontaneous emission light to pass through the wavelength selective reflector and reflecting the second portion of the amplified spontaneous emission light again to the semiconductor optical amplifier, thereby clamping the gain of the amplifier.

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