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Experimental demonstration of superdirective spherical dielectric antenna
Roman Gaponenko, Mikhail S. Sidorenko, Dmitry Zhirihin +5
An experimental demonstration of directivities exceeding the fundamental Kildal limit, a phenomenon called superdirectivity, is provided for spherical high-index dielectric antenna…
Resonance-Induced Effects in Photonic Crystals
Alexander Moroz, Adriaan Tip
For the case of a simple face-centered-cubic photonic crystal of homogeneous dielectric spheres, we examine to what extent single-sphere Mie resonance frequencies are related to ba…
A simple formula for the L-gap width of a face-centered-cubic photonic crystal
Alexander Moroz
The width of the first Bragg's scattering peak in the (111) direction of a face-centered-cubic lattice of air spheres can be well approximated by a simple formula whi…
Photonic Band Gaps of Three-Dimensional Face-Centered Cubic Lattices
Alexander Moroz, Charles Sommers
We show that the photonic analogue of the Korringa-Kohn-Rostocker method is a viable alternative to the plane-wave method to analyze the spectrum of electromagnetic waves in a thre…