Asymmetric Colliding-Pulse Mode-Locking in InGaAsP Semiconductor Lasers

Takanori SHIMIZU; Xinglong WANG; Hiroyuki YOKOYAMA

doi:10.1007/s10043-995-0401-7

Takanori SHIMIZU, Xinglong WANG, Hiroyuki YOKOYAMA

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Keywords: semiconductor laser, mode-locking, ultrahigh speed, ultrashort light pulses, saturable absorption

JOURNAL FREE ACCESS

1995 Volume 2 Issue 6 Pages 401-403

DOI https://doi.org/10.1007/s10043-995-0401-7

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Abstract

Asymmetric colliding-pulse mode-locking was successfully demonstrated in an InGaAsP laser. This laser had a single saturable absorber section located partway along the cavity length, and showed mode-locking operation at harmonics of the cavity roundtrip frequency. The method verified that optical pulse repetition up to subterahertz rates can be generated with nearly 1-mm-long mode-locked InGaAsP lasers.

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