Optical frequency-selective amplification in a distributed feedback type semiconductor laser amplifier

Kawaguchi, Hitoshi; Magari, Katsuaki; Oe, Kunishige; Noguchi, Yoshio; Nakano, Yoshinori; Motosugi, George
January 1987
Applied Physics Letters;1/12/1987, Vol. 50 Issue 2, p66
Academic Journal
Optical frequency-selective amplification of an injected optical signal in a distributed feedback type semiconductor laser amplifier is studied. Based on this mechanism an optical demultiplexer with optical gain for optical frequency-division multiplexing is developed. A 9 GHz spectrum selectivity and a 11 dB extinction ratio are observed.


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