On the properties of non-Bragg gaps of one-dimensional metamaterial superlattices

We report the reflectivity of one-dimensional finite and semi-infinite photonic crystals, computed through the coupling to Bloch modes (BM) and through a transfer matrix method (TMM), and their comparison to the experimental spectral line shapes of porous silicon (PS) multilayer structures. Both methods reproduce a forbidden photonic bandgap (PBG), but slowly-converging oscillations are observed in the TMM as the number of layers increases to infinity, while a smooth converged behavior is presented with BM. The experimental reflectivity spectra is in good agreement with the TMM results for multilayer structures with a small number of periods. However, for structures with large amount of periods, the measured spectral line shapes exhibit better agreement with the smooth behavior predicted by BM.

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Wannier functions and the calculation of localized modes in one-dimensional photonic crystals

Romano

Gomes

Bruno-Alfonso

2018

J. Opt. Soc. Am. B

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On the properties of non-Bragg gaps of one-dimensional metamaterial superlattices

Cited by 3 publications

References 23 publications

Multiple resonant absorber with prism-incorporated graphene and one-dimensional photonic crystals in the visible and near-infrared spectral range

Multiple resonant absorber with prism-incorporated graphene and one-dimensional photonic crystals in the visible and near-infrared spectral range

Reflectivity of 1D photonic crystals: A comparison of computational schemes with experimental results

Wannier functions and the calculation of localized modes in one-dimensional photonic crystals

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