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Proceedings Paper

Linear and nonlinear localized modes in the width-disordered one-dimensional waveguide arrays
Author(s): Lei Xu; Yi Yin; Fang Bo; Jingjun Xu; Guoquan Zhang
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Paper Abstract

Transverse localization of light in one-dimensional waveguide arrays with width disorder has been studied in both linear and nonlinear regimes. Defect mode is generated in the bandgap of the disordered waveguide array when introducing refractive index modulation into a single waveguide, and its localization strength depends on the width disorder level of the waveguide array. The evolution of the nonlinear disordered modes with either the self-focusing or the self-defocusing optical nonlinearities has been studied. The results show that the nonlinear disordered modes may be delocalized significantly due to the resonant interaction with the nearby eigen modes in the width-disordered waveguide array.

Paper Details

Date Published: 29 November 2012
PDF: 8 pages
Proc. SPIE 8554, Quantum and Nonlinear Optics II, 855410 (29 November 2012); doi: 10.1117/12.2000578
Show Author Affiliations
Lei Xu, Nankai Univ. (China)
Yi Yin, Nankai Univ. (China)
Fang Bo, Nankai Univ. (China)
Jingjun Xu, Nankai Univ. (China)
Guoquan Zhang, Nankai Univ. (China)

Published in SPIE Proceedings Vol. 8554:
Quantum and Nonlinear Optics II
Qihuang Gong; Guang-Can Guo; Yuen-Ron Shen, Editor(s)

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