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Third Harmonic Light Control in Plasmonic Metasurfaces for Nonlinear Beam Shaping

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Abstract

Third harmonic generation in plasmonic monopole nanoantennas is highly controllable and, by arranging them in a metasurface, we numerically demonstrate the creation of highly pure vectorial vortex beams at frequencies not accessible by linear plasmonics.

© 2017 Optical Society of America

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