Control Of Light Diffusion In A Disordered Photonic Waveguide
APPLIED PHYSICS LETTERS(2014)
摘要
We control the diffusion of light in a disordered photonic waveguide by modulating the waveguide geometry. In a single waveguide of varying cross-section, the diffusion coefficient changes spatially in two dimensions due to localization effects. The intensity distribution inside the waveguide agrees with the prediction of the self-consistent theory of localization. Our work shows that wave diffusion can be efficiently manipulated without modifying the structural disorder. (C) 2014 AIP Publishing LLC.
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关键词
waveguides,distribution,diffusion,forecasting
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