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Proceedings Paper

Optical switches based on nonlinear and dispersive media in one-dimensional photonic crystals
Author(s): Xuming Xu; Nianhua Liu
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Paper Abstract

We study the optical response of 1D photonic crystal microcavities with Kerr nonlinear and with Kerr nonlinear and dispersive defects. By means of a transfer matrix method, Kerr nonlinear and dispersive are studied on the base of δ-function and a Lorentz oscillator model, respectively. For the systems with Kerr nonlinear defects only, the localized mode frequency depends on the localized light intensity. When incident light frequency is given, with the varying incident light intensity, the system exhibits bistability. For the systems with Kerr nonlinear and dispersive defects, it is found that the threshold intensity of nonlinear bistability is much lower than the system with Kerr nonlinear only. The low threshold intensity is useful for the applications of optical switches.

Paper Details

Date Published: 22 September 2006
PDF: 10 pages
Proc. SPIE 6330, Nonlinear Optical Transmission and Multiphoton Processes in Organics IV, 63300L (22 September 2006); doi: 10.1117/12.682305
Show Author Affiliations
Xuming Xu, Nanchang Univ. (China)
Nianhua Liu, Nanchang Univ. (China)


Published in SPIE Proceedings Vol. 6330:
Nonlinear Optical Transmission and Multiphoton Processes in Organics IV
A. Todd Yeates; Kevin D. Belfield; Francois Kajzar, Editor(s)

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