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 |
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 |
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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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