Phys. Rev. Lett. 100, 203603 (2008) [4 pages]Slow and Fast Light in Liquid Crystal Light ValvesReceived 18 October 2007; published 20 May 2008 We show that fast and slow light results from multiple scatterings in a liquid crystal light valve, where nondegenerate two-wave mixing occurs in the Raman-Nath regime of optical diffraction. The large nonlinear response and dispersive characteristics of the liquid crystals allow us to obtain group velocities as slow as less than 0.2 mm/s, which is attractive for the realization of ultrahigh precision interferometers and metrology measurements. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.100.203603
DOI:
10.1103/PhysRevLett.100.203603
PACS:
42.50.Gy, 42.65.Hw, 42.70.Df, 77.22.Gm
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