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arXiv · 1311.0111

Direct femtosecond pulse compression with miniature-sized Bragg cholesteric liquid crystal

Liyan Song·Shenhe Fu·Yikun Liu·Jianying Zhou·Vladimir G. Chigrinov·Iam Choon Khoo
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Abstract

Direct compression of femtosecond optical pulses from a Ti:sapphire laser oscillator was realized with a cholesteric liquid crystal acting as a nonlinear 1D periodic Bragg grating. With a 6-um thick sample, the pulse duration could be compressed from 100 to 48 femtoseconds. Coupled-mode equations for forward and backward waves were employed to simulate the dynamics therein and good agreement between theory and experiment was obtained.

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Liyan Song, Shenhe Fu, Yikun Liu, Jianying Zhou, Vladimir G. Chigrinov, Iam Choon Khoo. 2013-11-01. Direct femtosecond pulse compression with miniature-sized Bragg cholesteric liquid crystal. https://doi.org/10.1364/ol.38.005040

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