1. Reciprocal space engineering with hyperuniform gold disordered surfaces
- Author
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Castro-Lopez, M, Gaio, M, Sellers, Steven, Gkantzounis, Georgios, Florescu, Marian, and Sapienza, R
- Subjects
lcsh:Applied optics. Photonics ,Science & Technology ,LIGHT ,BROAD-BAND ,GAPS ,Physical Sciences ,lcsh:TA1501-1820 ,Optics ,physics.optics ,PLASMONIC CRYSTALS ,NANOSTRUCTURES ,TRANSPARENT - Abstract
Hyperuniform geometries feature correlated disordered topologies which follow from a tailored k-space design. Here, we study gold plasmonic hyperuniform disordered surfaces and, by momentum spectroscopy, we report evidence of k-space engineering 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.
- Published
- 2017