Surface waves with photorefractive nonlinearity

T. H. Zhang, X. K. Ren, B. H. Wang, C. B. Lou, Z. J. Hu, W. W. Shao, Y. H. Xu, H. Z. Kang, J. Yang, D. P. Yang, L. Feng, and J. J. Xu

Phys. Rev. A 76, 013827 – Published 24 July 2007

Abstract

The photorefractive surface waves with photorefractive nonlinearity of diffusion, drift, and photovoltaic effect is studied numerically for the first time. We find out that the essential cause of photorefractive surface waves is diffusion mechanism, but not drift and photovoltaic effects. The photovoltaic effect only has strong influence on the profile of photorefractive surface waves; the applied external electric field can also change the profile of the surface waves, and even destroy the mode upon a threshold, which provides a possible method to transform the modes of surface waves between high-frequency modes and low-frequency modes.

Received 15 January 2007

DOI:https://doi.org/10.1103/PhysRevA.76.013827

Authors & Affiliations

T. H. Zhang, X. K. Ren, B. H. Wang, C. B. Lou, Z. J. Hu, W. W. Shao, Y. H. Xu, H. Z. Kang, J. Yang, D. P. Yang, L. Feng, and J. J. Xu

Photonics Research Center, The MOE Key Lab of Advanced Technique and Fabrication for Weak-Light Nonlinear Photonics Materials, and Tianjin Key Lab of Photonics Materials and Technology for Information Science, Nankai University, 300071 Tianjin, People’s Republic of China

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Vol. 76, Iss. 1 — July 2007

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