Seminarium fotoniki

Optical response and coupling characteristics of uniaxial hyperbolic spheroidal nanoresonator.

mgr Edward Arumona

Instytut Geofizyki, Wydział Fizyki, Uniwersytet Warszawski


12 października 2023 12:15, ul. Pasteura 5, sala 1.02

Hyperbolic nanoresonators, composed of anisotropic materials with opposite signs of permittivity, have unique optical properties due to a large degree of freedom that hyperbolic dispersion provides in designing their response. Here, we focus on uniaxial hyperbolic nanoresonators composed of a model silver-silica multilayer in the form of spheroids with a broad aspect ratio encompassing both prolate and oblate particles. The origin and evolution of the optical response and mode coupling are investigated using both numerical (T-matrix and FDTD) and theoretical methods. We show the tunability of the optical resonances and the interplay of the shape and material anisotropy in determining the spectral response.

Bieżące wydarzenia
Wydarzenia archiwalne