Asymmetric Colliding-Pulse Mode-Locking in InGaAsP Semiconductor Lasers |
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| Authors: | Takanori Shimizu Xinglong Wang Hiroyuki Yokoyama |
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| Institution: | (1) Opto-Electronics Research Laboratories, NEC Corporation, 34 Miyukigaoka, Tsukuba 305, Japan |
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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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| Keywords: | semiconductor laser mode-locking ultrahigh speed ultrashort light pulses saturable absorption |
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