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Quantum Nanoantennas for Making Nonlinear and Self-Modulatable Metasurface

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Abstract

We investigate the plasmonic nanodipole antenna with sub-microscopic nanogap. Relevant quantum conductivities, including both linear and nonlinear components, are observed due to the photon-assisted quantum tunneling, realizing optical nano-radiators with enhanced amplitude and frequency modulations.

© 2015 Optical Society of America

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