TY - JOUR

T1 - A stretch-tunable plasmonic structure with a polarization-dependent response

AU - Zhu,Xiaolong

AU - Xiao,Sanshui

AU - Shi,Lei

AU - Liu,Xiaohan

AU - Zi,Jian

AU - Hansen,Ole

AU - Mortensen,N. Asger

N1 - This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-5-5237. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

PY - 2012

Y1 - 2012

N2 - We experimentally demonstrate a stretchable plasmonic structure<br/>composed of a monolayer array of gold semishells with dielectric cores<br/>on an elastic PDMS substrate. The composite structure is fabricated using<br/>simple and inexpensive self-assembly and transfer-printing techniques,<br/>and it supports Bragg-type surface plasmon resonances whose frequencies<br/>are sensitive to the arrangement of the metallic semishells. Under uniaxial<br/>stretching, the lattice symmetry of this plasmonic structure can be reconfigured<br/>from hexagonal to monoclinic, leading to resonance frequency shifts<br/>from 200 THz to 191 THz for the TM polarization and from 200 THz to<br/>198 THz for the TE polarization with a strain up to 20%, respectively.<br/>Compared with previously reported tunable plasmonic structures, the<br/>reconfiguration of lattice symmetry offers a promising approach to tune the<br/>surface plasmon resonance with a polarization-dependent response at the<br/>standard telecommunication band, and such tunable plasmonic structure<br/>might be exploited in realizing photonic devices such as sensors, switches<br/>and filters.

AB - We experimentally demonstrate a stretchable plasmonic structure<br/>composed of a monolayer array of gold semishells with dielectric cores<br/>on an elastic PDMS substrate. The composite structure is fabricated using<br/>simple and inexpensive self-assembly and transfer-printing techniques,<br/>and it supports Bragg-type surface plasmon resonances whose frequencies<br/>are sensitive to the arrangement of the metallic semishells. Under uniaxial<br/>stretching, the lattice symmetry of this plasmonic structure can be reconfigured<br/>from hexagonal to monoclinic, leading to resonance frequency shifts<br/>from 200 THz to 191 THz for the TM polarization and from 200 THz to<br/>198 THz for the TE polarization with a strain up to 20%, respectively.<br/>Compared with previously reported tunable plasmonic structures, the<br/>reconfiguration of lattice symmetry offers a promising approach to tune the<br/>surface plasmon resonance with a polarization-dependent response at the<br/>standard telecommunication band, and such tunable plasmonic structure<br/>might be exploited in realizing photonic devices such as sensors, switches<br/>and filters.

U2 - 10.1364/OE.20.005237

DO - 10.1364/OE.20.005237

M3 - Journal article

VL - 20

SP - 5237

EP - 5242

JO - Optics Express

T2 - Optics Express

JF - Optics Express

SN - 1094-4087

IS - 5

ER -