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Phase conjugation and slow light in dye-doped chiral nematics |
Optics Letters, Vol. 37, Issue 22, pp. 4684-4686 (2012)
http://dx.doi.org/10.1364/OL.37.004684
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Abstract
Optical phase conjugation and slow light are obtained in dye-doped chiral nematics via degenerate four-wave mixing. The creation of the light-induced dynamical grating is described and the amplitude of the phase-conjugate wave is shown to follow the changes of the input signal, hence providing efficient distortion correction. Associated to these capabilities, slowing down of light pulses is obtained thanks to the dispersive properties of the wave mixing occurring in the cholesteric liquid crystals, opening the way to applications in interferometry and imaging through highly scattering media.
© 2012 Optical Society of America
OCIS Codes
(160.3710) Materials : Liquid crystals
(190.5040) Nonlinear optics : Phase conjugation
(190.2055) Nonlinear optics : Dynamic gratings
(190.4223) Nonlinear optics : Nonlinear wave mixing
ToC Category:
Fourier Optics and Signal Processing
History
Original Manuscript: August 3, 2012
Revised Manuscript: September 27, 2012
Manuscript Accepted: September 27, 2012
Published: November 9, 2012
Citation
D. Wei, S. Residori, and U. Bortolozzo, "Phase conjugation and slow light in dye-doped chiral nematics," Opt. Lett. 37, 4684-4686 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-22-4684
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