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Physical Review B
Localization of electromagnetic waves in two-dimensional ͑2D͒ and three-dimensional ͑3D͒ media with random permittivities is studied by numerical simulations of the Maxwell's equations. Using the transfermatrix method, the minimum positive Lyapunov exponent ␥ m of the model is computed, the inverse of which is the localization length. Finite-size scaling analysis of ␥ m is carried out in order to check the localizationdelocalization transition in 2D and 3D. We show that in 3D disordered media ␥doi:10.1103/physrevb.80.035130 fatcat:h2wxhecdyvdbxhggy4a6fokpum