Controllability of random laser output waveshape under femtosecond laser pumping | Zendy

Qihua Zhu | Zendy; Qingquan Zhang | Zendy; Jiantao Lü | Zendy; Wang Kejia | Zendy; Liu Jin-song | Zendy; Yao Jian-Quan | Zendy

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Controllability of random laser output waveshape under femtosecond laser pumping

Author(s) -

Qihua Zhu,

Qingquan Zhang,

Jiantao Lü,

Wang Kejia,

Liu Jin-song,

Yao Jian-Quan

Publication year - 2011

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.60.074203

Subject(s) - random laser , laser , lasing threshold , controllability , materials science , femtosecond , laser power scaling , optics , laser pumping , distributed feedback laser , gain switching , physics , mathematics

The emission property of two-dimensional random laser under femtosecond laser pumping is theoretically investigated by using the time-dependent theory. The effects of peak intensity, duration and shape of a pumping pulse on temporal property of the random laser emission are discussed. Results show that the behavior of random lasing depends strongly on the pumping process, thereby one can control the random laser output waveshape through modifying the pumping parameters. The present work can provide more guidance for the controllability of random laser.

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