Reciprocal space engineering with hyperuniform gold disordered surfaces

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

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)
124 Downloads (Pure)

Abstract

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
Volume2
Issue number6
Early online date26 May 2017
DOIs
Publication statusE-pub ahead of print - 26 May 2017

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