Journal
OPTICS EXPRESS
Volume 19, Issue 4, Pages 2910-2915Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.19.002910
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Funding
- National Natural Science Foundation of China [10874239, 10604066]
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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. (C) 2011 Optical Society of America
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