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Ultrafast optical switching and power limiting in intersubband polaritonic metasurfaces

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We experimentally demonstrate a nonlinear metasurface comprising plasmonic resonators coupled to multi-quantum well transition. Due to MQW saturation, the metasurface provides a giant j(3) on the order of 3x10-13 m2/V2 with ~2 ps response time.

© 2020 The Author(s)

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