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Pulse buildup in passively mode-locked monolithic quantum-well semiconductor lasers

The buildup of pulses in a passively mode-locked monolithic semiconductor laser is investigated experimentally and theoretically. A simple model, based on competition between the fundamental and higher order mode-locking ‘‘supermodes,’’ gives a time constant for the buildup in good agreement with th...

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Bibliographic Details
Published in:Applied physics letters 1993-10, Vol.63 (15), p.2021-2023, Article 2021
Main Authors: SOLGAARD, O, MENG-HSIUNG KIANG, LAU, K. Y
Format: Article
Language:English
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Summary:The buildup of pulses in a passively mode-locked monolithic semiconductor laser is investigated experimentally and theoretically. A simple model, based on competition between the fundamental and higher order mode-locking ‘‘supermodes,’’ gives a time constant for the buildup in good agreement with the experimental values, which are on the order of 3.5 ns. The theory shows that to minimize the pulse buildup time, the photon life time and the width of the gain spectrum should be minimized, and the gain and the gain modulation, should be maximized.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.110631