Light transmission behaviour as a function of the homogeneity in one dimensional photonic crystals

Abstract

The average light transmission of one-dimensional photonic media has been studied as a function of the medium homogeneity, quantified by the Shannon-Wiener index. We have found a decrease in the average light transmission by increasing the Shannon-Wiener index up to minimum (corresponding to H'=0.9375): from this point, the transmission increases following the Shannon-Wiener index. The behaviour has been confirmed for different pairs of materials forming the photonic structure. Nevertheless, we have observed that the trend slope is proportional to the refractive index ratio between the two materials (nhi/nlow).

10 pages, 4 figures

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• Disordered one-dimensional photonic structures composed by more than two materials with the same optical thickness
• The influence of a power law distribution of cluster size on the light transmission of disordered 1D photonic structures
• An energy window study of light transmission-disorder relationship in 1D photonic structures