Fast Surface-Plasmon-Mediated Electro-Optics of a Liquid Crystal on a Metal Grating

被引：23

作者：

Gorkunov, M. V. ^{[1
,2
]}

Kasyanova, I. V. ^{[1
]}

Artemov, V. V. ^{[1
]}

Barnik, M. I. ^{[1
]}

Geivandov, A. R. ^{[1
]}

Palto, S. P. ^{[1
]}

机构：

[1] Russian Acad Sci, Fed Sci Res Ctr Crystallog & Photon, Shubnikov Inst Crystallog, Moscow 119333, Russia

[2] Natl Res Nucl Univ MEPhI, Moscow Engn Phys Inst, Moscow 115409, Russia

来源：

PHYSICAL REVIEW APPLIED | 2017年 / 8卷 / 05期

基金：

俄罗斯科学基金会; 俄罗斯基础研究基金会;

关键词：

SUBWAVELENGTH HOLE ARRAYS; OPTICAL-TRANSMISSION; METAMATERIAL; LIGHT; CELL;

D O I：

10.1103/PhysRevApplied.8.054051

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Combined with liquid crystals, plasmonic nanostructures acquire voltage-driven optical tunability. We report that light-transmitting interdigitated aluminum grating covered with a nematic liquid crystal exhibits fast electro-optical switching: for the visible light wavelengths above the surface-plasmon resonance, its switching is thresholdless and, being driven by a voltage of a few volts, occurs on a time scale of tens of microseconds. We relate these features to the fast liquid crystal realignment within a thin surface layer that controls the plasmon excitation and light transmission.

引用

页数：10

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