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Publikováno v:
Nano Lett. 19, 6869-6875 (2019)
Metasurfaces represent a powerful paradigm of optical engineering that enables one to control the flow of light across material interfaces. We report on a discovery that metallic metasurfaces of a certain type respond differently to spatially coheren
Externí odkaz:
http://arxiv.org/abs/1807.01654
Publikováno v:
Phys. Rev. B 97, 201409 (2018)
Transverse electromagnetic plane waves are fundamental solutions of Maxwell's equations. It is less known that a radically different type of solutions has been described theoretically, but has never been realized experimentally, that exist only in th
Externí odkaz:
http://arxiv.org/abs/1707.06088
Autor:
Rosenthal, O. M., Fedotov, V. Kh.
Publikováno v:
Journal of Analytical Chemistry; Nov2024, Vol. 79 Issue 11, p1658-1666, 9p
Publikováno v:
Phys. Rev. B 95, 220201 (2017)
We demonstrate natural optical activity in disordered ensembles of non-chiral plasmonic resonators. We show that the statistical distributions of rotatory power and spatial dichroism are strongly dependent on the scattering mean free path in diffusiv
Externí odkaz:
http://arxiv.org/abs/1610.08432
We study the propagation properties and light-matter interactions of the focused doughnut pulses, broadband, single-cycle electromagnetic perturbations of toroidal topology first described by Hellwarth and Nouchi in 1996. We show how focused doughnut
Externí odkaz:
http://arxiv.org/abs/1512.04285
Autor:
Raybould, T. A., Fedotov, V. A., Papasimakis, N., Kuprov, I., Youngs, I., Chen, W. T., Tsai, D. P., Zheludev, N. I.
Publikováno v:
Phys. Rev. B 94, 035119 (2016)
Optical activity is ubiquitous across natural and artificial media and is conventionally understood in terms of scattering from electric and magnetic moments. Here we demonstrate experimentally and confirm numerically a type of optical activity that
Externí odkaz:
http://arxiv.org/abs/1508.06192
Publikováno v:
Russian Chemical Bulletin; Aug2024, Vol. 73 Issue 8, p2316-2325, 10p
Toroidal dipole, first described by Ia. B. Zeldovich [Sov. Phys. JETP 33, 1184 (1957)], is a distinct electromagnetic excitation that differs both from the electric and the magnetic dipoles. It has a number of intriguing properties: static toroidal n
Externí odkaz:
http://arxiv.org/abs/1310.0106
Publikováno v:
Appl. Phys. Lett. 103, 141904 (2013)
We experimentally demonstrate intensity and phase modulation of terahertz radiation using actively controlled large-area planar metamaterial (metafilm) hybridized with a 12 um thick layer of a liquid crystal. Active control was introduced through in-
Externí odkaz:
http://arxiv.org/abs/1307.6317