Position-Dependent Diffusion of Light in Disordered Waveguides
Diffusion is a statistical description of random walk of a classical particle, and the diffusion constant D0 is the only parameter in the diffusion equation. For light as well as for other kinds of waves, this is an approximation, because the interference of partial waves is ignored . Such interference is essential to Anderson localization. Proper account of the interference effects in random samples of finite size  and/or with absorption  results in spatial variation of the diffusion coefficient D(r) in the self consistent theory (SCT) of localization.
A. Yamilov et al., "Position-Dependent Diffusion of Light in Disordered Waveguides," 2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013, IEEE Computer Society, May 2013.
The definitive version is available at https://doi.org/10.1109/CLEOE-IQEC.2013.6801959
Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference (2013: May 12-16, Munich, Germany)
Keywords and Phrases
Diffusion; Light; Quantum Electronics, Anderson Localization; Classical Particle; Diffusion Constant; Diffusion Equations; Disordered Waveguides; Interference Effects; Spatial Variations; Statistical Descriptions; Electron Optics
International Standard Book Number (ISBN)
Article - Conference proceedings
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