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Light Localization induced by Random Imaginary Permittivities

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arxiv 1403.2120 v1 pith:ZQAKD6RX submitted 2014-03-10 cond-mat.dis-nn physics.optics

Light Localization induced by Random Imaginary Permittivities

A. Basiri , Y. Bromberg , A. Yamilov , H. Cao , T. Kottos This is my paper
classification cond-mat.dis-nn physics.optics
keywords localizationimaginarylightpartrandomnessarraysautocorrelationbeam
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We show the emergence of light localization in arrays of coupled optical waveguides with randomness only in the imaginary part of their permittivity and develop a one-parameter scaling theory for the normalized participation number of the Floquet-Bloch modes. This localization introduces a new length scale in the decay of the autocorrelation function of a paraxial beam propagation. Our results are relevant to a vast family of systems with randomness in the dissipative part of their impedance spatial profile.

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