Weak Localization of Photons: Universal Fluctuations and Ensemble Averaging
- 4 August 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 57 (5), 575-578
- https://doi.org/10.1103/PhysRevLett.57.575
Abstract
We have carried out an experimental study of weak localization of photons in a rigid, nonabsorbing, disordered medium. Unlike recent results reported for particles in a fluid, we observe large-amplitude fluctuations in the scattering intensity as a function of angle. Ensemble averaging of these sample-specific fluctuations decreases their intensity and uncovers a sharp peak in the backscattering direction. These results emphasize the common origin of weak localization of electrons, as a wave phenomenon, and of photons which are inherently wavelike.Keywords
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