Physics – Optics
Scientific paper
2009-10-08
Physics
Optics
3 pages, 2 figures
Scientific paper
We demonstrate how to achieve reversible nonreciprocal optical response in a periodic photonic structure with a pair of defects, one of them being a nonlinear liquid crystal defect layer. The twin defect layers structure is symmetric at low intensity and becomes asymmetric above a power threshold corresponding to the optical reordering of the liquid crystal. We show that nonreciprocal effects can be reversed by changing the wavelength as a consequence of the defect mode dependent light localization inside the structure.
Brasselet Etienne
Kivshar Yuri S.
Miroshnichenko Andrey E.
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