Plasmonic Metasurfaces for Nonlinear Beam Shaping

被引：0
|
作者：
Lesina, Antonino Cala [1 ,2 ]
Berini, Pierre [1 ,2 ,3 ]
Ramunno, Lora [1 ,2 ]
机构：
[1] Univ Ottawa, Dept Phys, Ottawa, ON, Canada
[2] Univ Ottawa, Ctr Res Photon, Ottawa, ON, Canada
[3] Univ Ottawa, Sch Elect Engn & Comp Sci, Ottawa, ON, Canada
来源：
2017 PHOTONICS NORTH (PN) | 2017年
关键词：
plasmonics; nonlinear optics; metasurfaces; NANOANTENNAS; GENERATION;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Controlling the nonlinear emission from each meta-atom in a metasurface is explored for the shaping of far field nonlinear radiation. By arranging gold gap-nanostructures on a surface and by exploiting the nonlinear emission from the metal or from the gap material, we numerically demonstrate the creation of highly pure vortex beams at frequencies not accessible by linear plasmonics.
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页数：1
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