Coherent backscattering of light from random media with inhomogeneous gain coefficient

Year: 1997

Authors: Deng WJ., Wiersma D., Zhang ZQ.

Autors Affiliation: S China Univ Technol, Dept Phys, Guangzhou 510641, Peoples R. China;
European Lab Non Linear Spect, I-50125 Florence, Italy

Abstract: We study theoretically the coherent backscattering cone of light from an amplifying random medium using realistic gain profiles which are spatially inhomogeneous. By taking into account correctly the amplification of multiply scattered waves, we are able to obtain quantitative agreements with the measured data presented in Phys. Rev. Lett. 75, 1739 (1995) by Wiersma et al. and resolve the discrepancy arising from earlier calculations based on a uniform gain profile.

Journal/Review: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS

Volume: 56 (1)      Pages from: 178  to: 181

KeyWords: amplifying random-media; weak-localization; disordered media
DOI: 10.1103/PhysRevB.56.178

Citations: 13
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