Absence of Anderson Localization of Light in a Random Ensemble of Point Scatterers

Skipetrov, S. E.; Sokolov, I. M.

doi:10.1103/physrevlett.112.023905

Cited by 236 publications

(344 citation statements)

References 38 publications

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“…Basing on the above arguments, John [33,34] has concluded that, in contrast to the electronic disordered systems, the light cannot be localized in diffusively scattering and fully disordered medium. This qualitative conclusion is confirmed by more precise recent considerations [40] accounting the vector nature of light.…”

Section: Such a Phenomenon Of Trapping Of Electrons In Disordered Matsupporting

confidence: 71%

Optically pumped mirrorless lasing. A review. Part I. Random lasing

Nastishin¹,

Dudok²

2013

Ukr. J. Phys. Opt.

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Abstract. Currently optically pumped mirrorless lasing is represented by three distinct branches, which concern lasing in different types of the gain media: optically random and photonic media, and microcavities. This article is a first part of our review on optically pumped mirrorless lasing, with the random lasing in scattering media being a main subject. The other mirrorless lasing mechanisms will be addressed in the second part. Considering light localization as a key function of the feedback, we discuss possible mechanisms for the light localization in the scattering media. Special attention is paid to the Anderson light localization. The other mechanisms of the light localization in the scattering media concern high Q-resonances in local microresonators, which exist due to structural inhomogeneities in the scattered media. Applications of the random lasers are shortly reviewed.

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Section: Such a Phenomenon Of Trapping Of Electrons In Disordered Matsupporting

confidence: 71%

Optically pumped mirrorless lasing. A review. Part I. Random lasing

Nastishin¹,

Dudok²

2013

Ukr. J. Phys. Opt.

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“…Two such examples are the Anderson localization of light [55] and CBS, which we here discuss. Finally, we note that (16) describes the light in a scalar approximation, which is a good approximation at low atomic density [56,57]. This limit is relevant to the experiments described in [30][31][32][33].…”

Section: Coherent Backscatteringmentioning

confidence: 99%

Collective effects in the radiation pressure force

et al. 2016

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We discuss the role of diffuse, Mie and cooperative scattering on the radiation pressure force acting on the center of mass of a cloud of cold atoms. Even though a mean-field Ansatz (the 'timed Dicke state'), previously derived from a cooperative scattering approach, has been shown to agree satisfactorily with experiments, diffuse scattering also describes very well most features of the radiation pressure force on large atomic clouds. We compare in detail an incoherent, random walk model for photons and a diffraction approach to the more complete description based on coherently coupled dipoles. We show that a cooperative scattering approach, although it provides a quite complete description of the scattering process, is not necessary to explain the previous experiments on the radiation pressure force.

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“…These methods, whether called classicalelectrodynamics simulations or coupled-dipole simulations, are now a routine theoretical tool [2,4,7,8,[14][15][16][17][18][19][20][21][22][23][24][25][26]. Closely related numerical techniques based on the analysis of the eigenstates of the coupled system of the light and the atoms [15,[27][28][29][30][31][32] or density matrices and quantum trajectories [33][34][35] are also widely used today. Other ideas drawn from the theory of radiative transfer [36,37] and multiple scattering [38,39], enhanced with numerics, also have potential to make inroads into the questions about light propagation in atomic media [40].…”

Section: Introductionmentioning

confidence: 99%

Exact electrodynamics versus standard optics for a slab of cold dense gas

Javanainen

Ruostekoski

et al. 2017

Phys. Rev. A

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We study light propagation through a slab of cold gas using both the standard electrodynamics of polarizable media and massive atom-by-atom simulations of the electrodynamics. The main finding is that the predictions from the two methods may differ qualitatively when the density of the atomic sample ρ and the wave number of resonant light k satisfy ρk −3 1. The reason is that the standard electrodynamics is a mean-field theory, whereas for sufficiently strong light-mediated dipole-dipole interactions the atomic sample becomes strongly correlated. The deviations from mean-field theory appear to scale with the parameter ρk −3 , and we demonstrate noticeable effects already at ρk −3 10 −2 . In dilute gases and in gases with an added inhomogeneous broadening the simulations show shifts of the resonance lines in qualitative agreement with the predicted Lorentz-Lorenz shift and "cooperative Lamb shift," but the quantitative agreement is unsatisfactory. Our interpretation is that the microscopic basis for the local-field corrections in electrodynamics is not fully understood.

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Absence of Anderson Localization of Light in a Random Ensemble of Point Scatterers

Cited by 236 publications

References 38 publications

Optically pumped mirrorless lasing. A review. Part I. Random lasing

Optically pumped mirrorless lasing. A review. Part I. Random lasing

Collective effects in the radiation pressure force

Exact electrodynamics versus standard optics for a slab of cold dense gas

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