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

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

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

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.90.043815

Cite this

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Light localization induced by a random imaginary refractive index

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All Science Journal Classification (ASJC) codes

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