## Almost localized photon modes in continuous and discrete models of disordered media

JOSA B, Vol. 21, Issue 1, pp. 132-140 (2004)

http://dx.doi.org/10.1364/JOSAB.21.000132

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### Abstract

In a weakly disordered sample, light waves (or electrons) propagate, on average, by diffusion. However, with some small probability, random high-quality cavities can be formed within the sample. Such cavities are due to rare events, i.e., to some rare disorder configurations which can support “almost localized” eigenstates and thus can trap the wave for a long time in a small region of space of sub-mean-free-path size. The almost localized states are nonuniversal in the sense that their character and likelihood are determined not only by the average strength of the disorder (the dimensionless conductance) but also by microscopic details of the system. In particular, they are extremely sensitive to the correlation radius

© 2004 Optical Society of America

**OCIS Codes**

(000.6800) General : Theoretical physics

(140.7010) Lasers and laser optics : Laser trapping

(290.4210) Scattering : Multiple scattering

**Citation**

V. M. Apalkov, M. E. Raikh, and B. Shapiro, "Almost localized photon modes in continuous and discrete models of disordered media," J. Opt. Soc. Am. B **21**, 132-140 (2004)

http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-1-132

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