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Title: Iterative nonlinear beam propagation using Hamiltonian ray tracing and Wigner distribution function
Authors: Zhang, Baile
Gao, Hanhong
Tian, Lei
Barbastathis, George
Keywords: DRNTU::Science::Mathematics::Applied mathematics::Signal processing
Issue Date: 2010
Source: Gao, H., Tian, L., Zhang, B., & Barbastathis, G. (2010). Iterative nonlinear beam propagation using Hamiltonian ray tracing and Wigner distribution function. Optics Letters, 35(24), 4148-4150.
Series/Report no.: Optics letters
Abstract: We present an iterative method for simulating beam propagation in nonlinear media using Hamiltonian ray tracing. The Wigner distribution function of the input beam is computed at the entrance plane and is used as the initial condition for solving the Hamiltonian equations. Examples are given for the study of periodic self-focusing, spatial solitons, and Gaussian–Schell model in Kerr-effect media. Simulation results show good agreement with the split-step beam propagation method. The main advantage of ray tracing, even in the nonlinear case, is that ray diagrams are intuitive and easy to interpret in terms of traditional optical engineering terms, such as aberrations, ray-intercept plots, etc.
DOI: 10.1364/OL.35.004148
Rights: © 2010 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI:  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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