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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 23 — Dec. 1, 2013
  • pp: 5040–5042

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

Liyan Song, Shenhe Fu, Yikun Liu, Jianying Zhou, Vladimir G. Chigrinov, and Iam Choon Khoo  »View Author Affiliations

Optics Letters, Vol. 38, Issue 23, pp. 5040-5042 (2013)

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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 μm thick sample, the pulse duration could be compressed from 100 to 48 fs. Coupled-mode equations for forward and backward waves were employed to simulate the dynamics therein, and good agreement between theory and experiment was obtained.

© 2013 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(190.4400) Nonlinear optics : Nonlinear optics, materials
(320.5520) Ultrafast optics : Pulse compression

ToC Category:

Original Manuscript: September 12, 2013
Revised Manuscript: October 25, 2013
Manuscript Accepted: October 27, 2013
Published: November 22, 2013

Liyan Song, Shenhe Fu, Yikun Liu, Jianying Zhou, Vladimir G. Chigrinov, and Iam Choon Khoo, "Direct femtosecond pulse compression with miniature-sized Bragg cholesteric liquid crystal," Opt. Lett. 38, 5040-5042 (2013)

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