The optical gain lever: A novel gain mechanism in the direct modulation of quantum well semiconductor lasers
作者:
Kerry J. Vahala,
Michael A. Newkirk,
T. R. Chen,
期刊:
Applied Physics Letters
(AIP Available online 1989)
卷期:
Volume 54,
issue 25
页码: 2506-2508
ISSN:0003-6951
年代: 1989
DOI:10.1063/1.101076
出版商: AIP
数据来源: AIP
摘要:
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.
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