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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Takiguchi, Y., Liu, Y. & Ohtsubo, J. Low-Frequency Fluctuation and Frequency-Locking in Semiconductor Lasers with Long External Cavity Feedback. OPT REV 6, 399–401 (1999). https://doi.org/10.1007/s10043-999-0399-3
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DOI: https://doi.org/10.1007/s10043-999-0399-3