Light localization induced by a random imaginary refractive index

A. Basiri; Y. Bromberg; A. Yamilov; H. Cao; T. Kottos

doi:10.1103/PhysRevA.90.043815

Light localization induced by a random imaginary refractive index

A. Basiri^*
, Y. Bromberg
, A. Yamilov
, H. Cao
, T. Kottos

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

51 Scopus citations

Abstract

We show the emergence of light localization in arrays of coupled optical waveguides with randomness only in the imaginary part of their refractive index and develop a one-parameter scaling theory for the normalized participation number of Floquet-Bloch modes. This localization introduces a different 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.

Original language	English
Article number	043815
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	90
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevA.90.043815
State	Published - 13 Oct 2014
Externally published	Yes

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© 2014 American Physical Society.

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10.1103/PhysRevA.90.043815

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Light localization induced by a random imaginary refractive index

Abstract

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