Abstract
Nanocavities inscribed in a gold thin film is optimized and arranged to form a metasurface. We demonstrate both numerically and experimentally that surface plasmon vortex carrying orbital angular momentum can be generated under linearly-polarized optical excitation.
© 2015 Optical Society of America
PDF ArticleMore Like This
Chen-Ta Ku, Ching-Fu Chen, and Chen-Bin Huang
FTh4E.2 Frontiers in Optics (FiO) 2014
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
Israel De Leon, Ebrahim Karimi, Sebastian A. Schulz, Hammam Qassim, Jeremy Upham, and Robert W. Boyd
FF1C.2 CLEO: QELS_Fundamental Science (CLEO:FS) 2014