Published June 19, 1989
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The optical gain lever: A novel gain mechanism in the direct modulation of quantum well semiconductor lasers
Abstract
A new gain mechanism active in certain quantum well laser diode structures is demonstrated and explained theoretically. It enhances the modulation amplitude produced by either optical or electrical modulation of quantum well structures. In the devices tested, power gains of 6 dB were measured from low frequency to frequencies of several gigahertz. Higher gains may be possible in optimized structures.
Additional Information
Copyright © 1989 American Institute of Physics. Received 20 March 1989; accepted 17 April 1989. The authors are grateful for molecular beam epitaxy material supplied by Professor Amnon Yariv. This work was supported by the National Science Foundation and by the Caltech Program in Advance Technologies supported by TRW, Aerojet, and General Motors. One author (M. A. N.) is supported by an IBM graduate fellowship.Files
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