Two Synchronized Operating Modes of Femtosecond and Picosecond Pulses in a Dual-Wavelength Laser

Chang Jun Zhu; Jun Fang He; Xue Jun Zhai; Bing Xue; Chong Hui Zhang

doi:10.4028/www.scientific.net/MSF.663-665.284

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HomeMaterials Science ForumMaterials Science Forum Vols. 663-665Two Synchronized Operating Modes of Femtosecond...

Two Synchronized Operating Modes of Femtosecond and Picosecond Pulses in a Dual-Wavelength Laser

Abstract:

Two synchronized operating modes of femtosecond and picosecond pulses, cross mode-locking and multi-pulse operating, are presented in a two-beam-pumped dual-wavelength Ti:sapphire laser. For the cross mode-locking mode, synchronized laser pulses of 37.5 fs and 0.891ps, with a timing jitter of 139 fs, are obtained in the femtosecond cavity and picosecond cavity, respectively. For the multi-pulse mode, pulses of 35 fs are obtained in the femtosecond cavity, whereas, multi-pulse mode appears in the picosecond cavity, with a pulse envelope width of 1.06 ps. The two operating modes can be switched from one to the other, dominated mainly by the mutual interaction between cross-phase modulation and self-amplitude modulation.

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Materials Science Forum (Volumes 663-665)

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284-287

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.663-665.284

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Online since:

November 2010

Authors:

Chang Jun Zhu, Jun Fang He, Xue Jun Zhai, Bing Xue, Chong Hui Zhang

Keywords:

Dual-Wavelength Laser, Femtosecond Pulse, Picosecond Pulse, Synchronized Operating Mode

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