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Influence of Amplified Spontaneous Emission on the Modulation Performance of a Semiconductor Laser Amplifier

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It has been shown that in addition of amplification function, semiconductor laser amplifiers (SLAs) can also be used as modulators and detectors with large bandwidth [1]-[2]. Therefore, optical bidirectional buses can be composed of SLAs working alternately as a modulator or a photodetector [3]. Such a bus has recently been reported [4] and it would afford the following advantages: good contrast between bit levels "0" et "1", high bit rate, signal power correctly maintained, bidirectional transmission assumed by one optical fiber.

© 1994 Optical Society of America

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