Optical Review
Print ISSN : 1340-6000
ISSN-L : 1340-6000
Low-Frequency Fluctuation and Frequency-Locking in Semiconductor Lasers with Long External Cavity Feedback
Yoshiro TAKIGUCHIYun LIUJunji OHTSUBO
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1999 Volume 6 Issue 5 Pages 399-401

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Abstract
The properties of low-frequency fluctuations in semiconductor lasers with optical feedback from a long external cavity are experimentally studied. Frequency-locking of the laser light output to the injection current modulation is observed when the modulation frequency approaches the external cavity mode. The modulation frequency for the successful frequency-locking is always less than the external cavity mode frequency and the locking domains as a function of the modulation amplitude is asymmetric with respect to the frequency detuning.
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© 1999 by the Optical Society of Japan
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