Optical bistability in subwavelength metallic grating coated by nonlinear material | Zendy

Changjun Min | Zendy; Pei Wang | Zendy; Xiaojin Jiao | Zendy; Yan Deng | Zendy; Hai Ming | Zendy

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Optical bistability in subwavelength metallic grating coated by nonlinear material

Author(s) -

Changjun Min,

Pei Wang,

Xiaojin Jiao,

Yan Deng,

Hai Ming

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.012368

Subject(s) - optics , optical bistability , bistability , grating , finite difference time domain method , surface plasmon , materials science , nonlinear system , surface plasmon polariton , nonlinear optics , optoelectronics , diffraction grating , plasmon , physics , laser , quantum mechanics

A developed two-dimensional Finite Difference Time Domain (FDTD) method has been performed to investigate the optical bistability in a subwavelength metallic grating coated by nonlinear material. Different bistability loops have been shown to depend on parameters of the structure. The influences of two key parameters, thickness of nonlinear material and slit width of metallic grating, have been studied in detail. The effect of optical bistability in the structure is explained by Surface Plasmons (SPs) mode and resonant waveguide theory.

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