A Tunable Dispersion-Free Terahertz Metadevice with Pancharatnam-Berry-Phase-Enabled Modulation and Polarization Control

被引：118
作者：
Cong, Longqing [1 ,2 ]
Xu, Ningning [3 ]
Han, Jiaguang [4 ,5 ]
Zhang, Weili [3 ]
Singh, Ranjan [1 ,2 ]
机构：
[1] Nanyang Technol Univ, Div Phys & Appl Phys, Sch Math & Phys Sci, Singapore 637371, Singapore
[2] Nanyang Technol Univ, Ctr Disrupt Photon Technol, Sch Math & Phys Sci, Singapore 637371, Singapore
[3] Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK USA
[4] Tianjin Univ, Ctr Terahertz Waves, Tianjin 300072, Peoples R China
[5] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
来源：
ADVANCED MATERIALS | 2015年 / 27卷 / 42期
基金：
中国国家自然科学基金; 美国国家科学基金会;
关键词：
QUARTER-WAVE PLATE; BROAD-BAND; BEAM SPLITTER; FUSED-SILICA; METAMATERIALS; DIFFRACTION; GRATINGS;
D O I：
10.1002/adma.201502716
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
It is extremely challenging to control the phase of light at will in free space. Here, Pancharatnam-Berry-phase-enabled, tunable phase control of free-space light is experimentally demonstrated in an ultrathin flexible dispersion-free metadevice. This metadevice enables the broadband conversion of linearly polarized light into any desired output polarization.
引用
收藏
页码：6630 / +
页数：8
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