Super-Narrow, Extremely High Quality Collective Plasmon Resonances at Telecom Wavelengths and Their Application in a Hybrid Graphene-Plasmonic Modulator

被引：72

作者：

Thackray, Benjamin D. ^{[1
]}

Thomas, Philip A. ^{[1
]}

Auton, Gregory H. ^{[2
]}

Rodriguez, Francisco J. ^{[1
]}

Marshall, Owen P. ^{[1
]}

Kravets, Vasyl G. ^{[1
]}

Grigorenko, Alexander N. ^{[1
]}

机构：

[1] Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England

[2] Univ Manchester, Sch Comp Sci, Manchester M13 9PL, Lancs, England

来源：

NANO LETTERS | 2015年 / 15卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

Diffraction coupled; plasmon resonance; nanoarray; active plasmonics; graphene; modulation; ARRAYS; METAMATERIALS; OPTICS;

D O I：

10.1021/acs.nanolett.5b00930

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We present extremely narrow collective plasmon resonances observed in gold nanostripe arrays fabricated on a thin gold film, with the spectral line full width at half-maximum (fwhm) as low as 5 nm and quality factots Q reaching 300, at important fiber-optic telecommunication wavelengths around 1.5 mu m. Using these resonances, we demonstrate a hybrid graphene-plasmonic modulator with the modulation depth of 20% in reflection operated by gating of a single layer graphene, the largest measured so far.

引用

页码：3519 / 3523

页数：5

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