Localization versus subradiance in three-dimensional scattering of light
arXiv:1905.10442 · doi:10.1209/0295-5075/127/54003
Abstract
We study the scattering modes of light in a three-dimensional disordered medium, in the scalar approximation and above the critical density for Anderson localization. Localized modes represent a minority of the total number of modes, even well above the threshold density, whereas spatially extended subradiant modes predominate. For specific energy ranges however, almost all modes are localized, yet adjusting accordingly the probe frequency does not allow to address these only in the regime accessible numerically. Finally, their lifetime is observed to be dominated by finite-size effects, and more specifically by the ratio of the localization length to their distance to the system boundaries.
arXiv commentAdd figure comparing localization percentage via frequency, fixed text, addition of Ioffe-Regel criterion limits, figure axis were normalized
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- Near-resonant light transmission in two-dimensional dense cold atomic media with short-range positional correlations
- Anderson localization of light in dimension
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