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

被引：122

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：

美国国家科学基金会; 中国国家自然科学基金;

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

页码：6630 / +

页数：8

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