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Ultrafast all-optical switching in nanoplasmonic waveguide with Kerr nonlinear resonator

Lu, Hua, Liu, Xueming, Wang, Leiran, Gong, Yongkang and Mao, Dong 2011. Ultrafast all-optical switching in nanoplasmonic waveguide with Kerr nonlinear resonator. Optics Express 19 (4) , pp. 2910-2915. 10.1364/OE.19.002910

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Abstract

A novel ultrafast all-optical switching based on metal-insulator-metal nanoplasmonic waveguide with a Kerr nonlinear resonator is proposed and investigated numerically. With the finite-difference time-domain simulations, it is demonstrated that an obvious optical bistability of the signal light appears by varying the control-light intensity, and an excellent switching effect is achieved. This bistability originates from the intensity-dependent change induced in the dielectric constant of Kerr nonlinear material filled in the nanodisk resonator. It is found that the proposed all-optical switching exhibits femtosecond-scale feedback time.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Publisher: Optical Society of America
ISSN: 1094-4087
Date of Acceptance: 25 January 2011
Last Modified: 05 Aug 2022 01:47
URI: https://orca.cardiff.ac.uk/id/eprint/119620

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