Nonreciprocal optical nonlinear metasurfaces
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Tripathi, Aditya
Ugwu, Chibuzor Fabian
Asadchy, Viktar S.
Kravchenko, Ivan
Fan, Shanhui
Kivshar, Yuri
Valentine, Jason
Kruk, Sergey S.
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Abstract
We demonstrate nonreciprocal one-way transmission through a half-a-micron-thick nonlinear silicon-VO2 metasurface for low-power CW excitation. Reciprocity is broken by optically self-induced phase transition of VO2 occurring at different intensities for the opposite directions of illumination.
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Optics InfoBase Conference Papers
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