Phase Statistics of Light/Photonic Wave Reflected from One-Dimensional Optical Disordered Media and Its Effects on Light Transport Properties

Light wave reflection intensity from optical disordered media is associated with its phase, and the phase statistics influence the reflection statistics. A detailed numerical study is reported for the statistics of the reflection coefficient |R(L)|2 and its associated phase θ for plane electromagnet...

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Published in:Photonics 2021-11, Vol.8 (11), p.485
Main Author: Pradhan, Prabhakar
Format: Article
Language:English
Subjects:
Approximation
backscattering
Born approximation
Electromagnetic radiation
Helmholtz equations
Light
light localization
Light reflection
Localization
Luminous intensity
Noise
Optical properties
Phase distribution
Probability distribution
Reflectance
reflection statistics
Statistical analysis
Statistics
Transport properties
Wave reflection
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description Light wave reflection intensity from optical disordered media is associated with its phase, and the phase statistics influence the reflection statistics. A detailed numerical study is reported for the statistics of the reflection coefficient |R(L)|2 and its associated phase θ for plane electromagnetic waves reflected from one dimensional Gaussian white-noise optical disordered media, ranging from weak to strong disordered regimes. The full Fokker–Planck (FP) equation for the joint probability distribution in the |R(L)|2−(θ) space is simulated numerically for varying length and disorder strength of the sample; and the statistical optical transport properties are calculated. Results show the parameter regimes of the validation of the random phase approximations (RPA) or uniform phase distribution, within the Born approximation, as well as the contribution of the phase statistics to the different reflections, averaging from nonuniform phase distribution. This constitutes a complete solution for the reflection phase statistics and its effect on light transport properties in a 1D Gaussian white-noise disordered optical potential.
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subjects Approximation
backscattering
Born approximation
Electromagnetic radiation
Helmholtz equations
Light
light localization
Light reflection
Localization
Luminous intensity
Noise
Optical properties
Phase distribution
Probability distribution
Reflectance
reflection statistics
Statistical analysis
Statistics
Transport properties
Wave reflection
title Phase Statistics of Light/Photonic Wave Reflected from One-Dimensional Optical Disordered Media and Its Effects on Light Transport Properties
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