Dual-polarization plasmonic metasurface for nonlinear optics

被引：24
|
作者：
Lesina, Antonino Cala' [1 ,2 ]
Ramunno, Lora [1 ,2 ]
Berini, Pierre [1 ,2 ,3 ]
机构：
[1] Univ Ottawa, Dept Phys, Ottawa, ON K1N 6N5, Canada
[2] Univ Ottawa, Ctr Res Photon, Ottawa, ON K1N 6N5, Canada
[3] Univ Ottawa, Sch Elect Engn & Comp Sci, Ottawa, ON K1N 6N5, Canada
来源：
OPTICS LETTERS | 2015年 / 40卷 / 12期
关键词：
LIGHT; ENHANCEMENT; REFLECTION;
D O I：
10.1364/OL.40.002874
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A plasmonic metasurface for the enhancement of nonlinear optical effects is proposed. The metasurface can simultaneously enhance perpendicularly polarized electric fields in the same volume. We illustrate application of the metasurface to the production of Terahertz radiation via the parametric process of difference frequency generation in (4) over bar 3m non-centro symmetric materials, e.g., GaAs, which has a large second-order nonlinear susceptibility. An enhancement over bulk of almost two orders of magnitude near the surface supports the use of the proposed structure for thin-film, surface-based, or chip-based nonlinear optical applications for several crystal classes. (C) 2015 Optical Society of America
引用
收藏
页码：2874 / 2877
页数：4
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