Abstract

A nanocavity in a gold thin film is optimized and arranged to form a metasurface. We numerically demonstrate that surface plasmon vortex carrying orbital angular momentum can be generated under linearly-polarized optical excitation.

© 2014 Optical Society of America

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More Like This
Creating Surface Plasmon Orbital Angular Momentum in a Gold Metasurface

Ching-Fu Chen, Chen-Ta Ku, Ming-Yang Pan, Pei-Kuen Wei, and Chen-Bin Huang
FW4E.7 CLEO: QELS_Fundamental Science (CLEO_QELS) 2015

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Sebastian A. Schulz, Ebrahim Karimi, Israel De Leon, Frederic Bouchard, Hammam Qassim, Jeremy Upham, and Robert W. Boyd
FTu2A.3 Frontiers in Optics (FiO) 2014

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Israel De Leon, Ebrahim Karimi, Sebastian A. Schulz, Hammam Qassim, Jeremy Upham, and Robert W. Boyd
FF1C.2 CLEO: QELS_Fundamental Science (CLEO_QELS) 2014