High-Efficiency All-Dielectric Metasurfaces for Ultracompact Beam Manipulation in Transmission Mode

被引：578
作者：
Shalaev, Mikhail I. [1 ]
Sun, Jingbo [1 ]
Tsukernik, Alexander [2 ]
Pandey, Apra [3 ]
Nikolskiy, Kirill [4 ]
Litchinitser, Natalia M. [1 ]
机构：
[1] SUNY Buffalo, Dept Elect Engn, Buffalo, NY 14260 USA
[2] Univ Toronto, Toronto Nanofabricat Ctr, Toronto, ON M5S 3G4, Canada
[3] CST Inc, San Mateo, CA 94404 USA
[4] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119991, Russia
来源：
NANO LETTERS | 2015年 / 15卷 / 09期
关键词：
All-dielectric metasurface; nanoblocks; singular optics; orbital angular momentum; structured light; ORBITAL ANGULAR-MOMENTUM; PANCHARATNAM-BERRY PHASE; ELECTRIC RESONANCES; VISIBLE WAVELENGTHS; OPTICAL-ELEMENTS; LIGHT; NANOPARTICLES; REFLECTION; GENERATION; SCATTERING;
D O I：
10.1021/acs.nanolett.5b02926
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Metasurfaces are two-dimensional structures enabling complete control on light amplitude, phase, and polarization. Unlike plasmonic metasurfaces, silicon structures facilitate high transmission, low losses, and compatibility with existing semiconductor technologies. We experimentally demonstrate two examples of high-efficiency polarization-sensitive dielectric metasurfaces with 2 pi phase control in transmission mode (45% transmission efficiency for the vortex converter and 36% transmission efficiency for the beam steering device) at telecommunication wavelengths. Silicon metasurfaces are poised to enable a versatile platform for the realization of all-optical circuitry on a chip.
引用
收藏
页码：6261 / 6266
页数：6
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