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Published September 3, 1990 | public
Journal Article Open

Intensity noise reduction in semiconductor lasers by amplitude-phase decorrelation


Detuned operation of a laser results in coupling of field amplitude and phase fluctuations. In a semiconductor laser, this coupling is known to be very large. We demonstrate that it can be used to significantly reduce intensity noise below its intrinsic limit.

Additional Information

Copyright © 1990 American Institute of Physics (Received 22 March 1990; accepted 15 June 1990) This work was supported by the Caltech Jet Propulsion Laboratory and by a Richard P. Feynman-Hughes fellowship. The authors would like to thank Dr. Hank Blauvelt and Jay Dawson for technical assistance and Ortel Corporation for donation of the DFB laser used in this measurement.


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