H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/16 (2006.01) G02F 1/015 (2006.01) H01S 3/00 (2006.01) G02F 1/017 (2006.01)
Patent
CA 2145912
An optical amplifier includes a photodetector such as a photodiode for receivingan optical input signal to be amplified. An electro-absorption modulator is responsive to a photocurrent generated by the photodetector such that the modulator absorbs a portion of an optical beam transmitted therethrough in an amount proportional to an amplified replica of the photocurrent. The remaining portion of the beam transmitted through the modulator forms a signal that is an inverted, amplified replica of the input signal.
At&t Corp.
Kirby Eades Gale Baker
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