Volume 102, Number 2, April 2013
|Number of page(s)||4|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||08 May 2013|
Low-threshold optical bistability in metal-nonlinear dielectric multilayer nanostructure
Department of Electronic and Electrical Engineering, Institute of Information Optoelectronics Technology and Application, Chongqing University of Arts and Sciences - Chongqing 402160, China
Received: 5 January 2013
Accepted: 2 April 2013
We numerically investigate the optical bistability with highly confined surface plasmon polaritons (SPPs) modes excitation in a metal-nonlinear dielectric multilayer nanostructure. We find that the field distribution forms a standing wave through the excitation of coupled SPPs in nanomultilayers caused by the Fabry-Perot interferometer. In addition, the average field amplitude is increased by a factor of ∼20.6 compared to that of the incident beam. A very low bistability threshold of 2.75 MW/cm2 is obtained with a fundamental SPPs mode excitation at the telecommunication wavelength of 1550 nm.
PACS: 42.65.Pc – Optical bistability, multistability, and switching, including local field effects / 78.66.Sq – Composite materials / 42.65.Wi – Nonlinear waveguides
© EPLA, 2013
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