6 March 2013 Slow light in dye-doped chiral liquid crystals
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Proceedings Volume 8636, Advances in Slow and Fast Light VI; 863608 (2013) https://doi.org/10.1117/12.2011339
Event: SPIE OPTO, 2013, San Francisco, California, United States
We demonstrate slow light in dye-doped chiral liquid crystals. The medium combines a nematic liquid crystal with methyl-red and chiral agents. When a circularly polarized pump and a pulse beam interact in the cell, the output pulse is delayed thanks to the dispersive properties of the beam coupling occurring in the medium. The origin of the slow-light effect is explained on the basis of photo-isomerization induced transparency of the dye molecules hosted in the chiral liquid crystal structure.
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D. Wei, D. Wei, U. Bortolozzo, U. Bortolozzo, J. -P. Huignard, J. -P. Huignard, S. Residori, S. Residori, } "Slow light in dye-doped chiral liquid crystals", Proc. SPIE 8636, Advances in Slow and Fast Light VI, 863608 (6 March 2013); doi: 10.1117/12.2011339; https://doi.org/10.1117/12.2011339

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