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Mechanism of pulse shaping in femtosecond lasers based on the high-order soliton

✍ Scribed by Shanghong Zhao; Guofu Chen; Yishan Wang; Lianjun Yu

Publisher: Elsevier Science
Year: 2000
Tongue: English
Weight: 75 KB
Volume: 32
Category: Article
ISSN: 0030-3992
DOI: 10.1016/s0030-3992(00)00053-0

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✦ Synopsis

The mechanism of pulse shaping in Kerr-lens mode-locking Ti : sapphire lasers is investigated. Considering the balanced interaction between self-phase modulation, introduced by Kerr e ect in Ti : sapphire, and group-velocity dispersion provided by prism-pair, pulse-splitting re ected in the intensity autocorrelation trace and pulse-compression display that the pulses outputting from di erent positions in laser cavity have di erent durations. We have concluded that the solitonlike pulse shaping that results from the competition between intracavity self-phase modulation within the Ti : S and negative group-velocity dispersion play dominant role in pulse evolution in Kerr-lens mode-locking lasers.

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