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Optical Preparation of Stable Supercooled VO2 Nanocrystals: A Route Towards Reconfigurable Photonic Devices for Telecom Wavelengths

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Abstract

Single-domain VO2 nanocrystals in a fused silica matrix exhibit an extremely large thermally and/or optically induced hysteresis around room temperature. We demonstrate optical imprinting of persistent diffraction gratings and repetitive (> 104) cycling through the phase transition.

© 2014 Optical Society of America

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