Surface plasmon resonance modulation in nanopatterned Au gratings by the insulator-metal transition in vanadium dioxide films

被引：11

作者：

Beebe, M. ^{[1
]}

Wang, L. ^{[1
]}

Madaras, S. E. ^{[1
]}

Klopf, J. M. ^{[1
]}

Li, Z. ^{[1
]}

Brantley, D. ^{[1
]}

Heimburger, M. ^{[1
]}

Wincheski, R. A. ^{[2
]}

Kittiwatanakul, S. ^{[3
]}

Lu, J. ^{[3
]}

Wolf, S. A. ^{[3
,4
]}

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

机构：

[1] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA

[2] NASA, Langley Res Ctr, Hampton, VA 23681 USA

[3] Univ Virginia, Dept Mat Sci & Engn, Charlottesville, VA 22904 USA

[4] Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 10期

基金：

美国国家科学基金会;

关键词：

THIN-FILMS; VO2; METAMATERIALS;

D O I：

10.1364/OE.23.013222

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Correlated experimental and simulation studies on the modulation of Surface Plasmon Polaritons (SPP) in Au/VO2 bilayers are presented. The modification of the SPP wave vector by the thermallyinduced insulator-to-metal phase transition (IMT) in VO2 was investigated by measuring the optical reflectivity of the sample. Reflectivity changes are observed for VO2 when transitioning between the insulating and metallic states, enabling modulation of the SPP in the Au layer by the thermally induced IMT in the VO2 layer. Since the IMT can also be optically induced using ultrafast laser pulses, we postulate the viability of SPP ultrafast modulation for sensing or control. (C)2015 Optical Society of America

引用

页码：13222 / 13229

页数：8

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