Reciprocal space engineering with hyperuniform gold disordered surfaces

Marta Castro-Lopez, Michele Gaio, Steven Sellers, George Gkantzounis, Marian Florescu, Riccardo Sapienza

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29 Citations (Scopus)
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Hyperuniform geometries feature correlated disordered topologies which follow from a tailored k-space design. Here, we study gold plasmonic hyperuniform disordered (HuD) surfaces and, by momentum spectroscopy, we report evidence of k-space engi- neering on both light scattering and light emission. Even if the structures lack a well- defined periodicity, emission and scattering are directional in ring-shaped patterns. The opening of these rotational-symmetric patterns scales with the hyperuniform correlation length parameter as predicted via the spectral function method.
Original languageEnglish
JournalAPL Photonics
Issue number6
Early online date26 May 2017
Publication statusE-pub ahead of print - 26 May 2017


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