Abstract

We show theoretically that the incorporation of a frequency-dependent loss mechanism in a semiconductor laser can lead, in concert with the amplitude-to-phase coupling, to major reductions of the fundamental intensity and phase noise. A loss dispersion of the wrong sign, on the other hand, leads to an increase of the noise and, at a certain strength, to instability.

© 1990 Optical Society of America

Amplitude noise reduction in semiconductor lasers with weak, dispersive optical feedback

J. Kitching, R. Boyd, A. Yariv, and Y. Shevy
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