Applied Physics B

, Volume 95, Issue 3, pp 551–557

Slow light using wave mixing in liquid crystal light valve

Article

Abstract

By performing optical two-wave mixing in a liquid crystal light valve, we are able to slow down optical pulses to group velocities as slow as a few tenths of mm/s, corresponding to a very large group index. We present experiment and model of the slow light process occurring in liquid crystal light valves. The large group index corresponds to having a large sensitivity for phase variations, a property that can be used to increase the sensitivity of Fourier transform interferometer. We show that when a liquid crystal light valve is inserted in a Mach–Zehnder interferometer, the effect of frequency perturbations at the input of the system is amplified by a factor related to the group delay.

PACS

42.65.Hw 42.50.Gy 42.70.Df 77.22.Gm 

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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  1. 1.Institut Non Linéaire de NiceUniversité de Nice Sophia-Antipolis, CNRSValbonneFrance
  2. 2.Faculty of Mathematical, Physical and Natural SciencesUniversity of VeronaVeronaItaly
  3. 3.Thales Research & TechnologyPalaiseau CedexFrance

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