Optical bistability in nonlinear surface-plasmon polaritonic crystals

被引：264

作者：

Wurtz, G. A. ^{[1
]}

Pollard, R. ^{[1
]}

Zayats, A. V. ^{[1
]}

机构：

[1] Queens Univ Belfast, Sch Math & Phys, Belfast BT7 1NN, Antrim, North Ireland

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1103/PhysRevLett.97.057402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Nonlinear optical transmission through periodically nanostructured metal films (surface-plasmon polaritonic crystals) has been studied. The surface polaritonic crystals have been coated with a nonlinear polymer. The optical transmission of such nanostructures has been shown to depend on the control-light illumination conditions. The resonant transmission exhibits bistable behavior with the control-light intensity. The bistability is different at different resonant signal wavelengths and for different wavelengths of the control light. The effect is explained by the strong sensitivity of the surface-plasmon mode resonances at the signal wavelength to the surrounding dielectric environment and the electromagnetic field enhancement due to plasmonic excitations at the controlled light wavelengths.

引用

页数：4

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