Simulation of enhanced backscattering of light by numerically solving Maxwell's equations without heuristic approximations

Snow H. Tseng*, Young L. Kim, Allen Taflove, Duncan Maitland, Vadim Backman, Joseph T. Walsh

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

We report what we believe to be the first simulation of enhanced backscattering (BBS) of light by numerically solving Maxwell's equations without heuristic approximations. Our simulation employs the pseudospectral time-domain (PSTD) technique, which we have previously shown enables essentially exact numerical solutions of Maxwell's equations for light scattering by millimeter-volume random media consisting of micrometer-scale inhomogeneities. We show calculations of BBS peaks of random media in the presence of speckle; in addition, we demonstrate speckle reduction using a frequency-averaging technique. More generally, this new technique is sufficiently robust to permit the study of BBS phenomena for random media of arbitrary geometry not amenable to simulation by other approaches, especially with regard to extension to full-vector electrodynamics in three dimensions.

Original languageEnglish (US)
Pages (from-to)3666-3672
Number of pages7
JournalOptics Express
Volume13
Issue number10
DOIs
StatePublished - May 15 2005

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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