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High-field Terahertz Switching of Plasmonic Resonance in Photoexcited Nano Antennas on GaAs

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Abstract

Strong terahertz pulses transiently revive the plasmonic resonance of a nano-antenna-array-patterned GaAs film, which was initially turned off by photoexcitation. The high-field THz effect has potential to ultrafast optical/THz switching in plasmonic devices.

© 2018 The Author(s)

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