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Related papers: Inverse Drexhage effect in Epsilon-Near-Zero Subst…

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We investigate the reflection of a Gaussian beam impinging upon the surface of an epsilon-near-zero (ENZ) medium. In particular, we discuss the occurrence of Goos-H\"anchen and Imbert-Fedorov shifts. Our calculations reveal that spatial…

Optics · Physics 2020-02-19 Arttu Nieminen , Andrea marini , Marco Ornigotti

Monolayers of transition-metal dichalcogenides have shown that uniaxial strain changes both the photoluminescence emission energy and intensity. The changes are attributed to the band-structure evolution under tensile strain where both the…

Materials Science · Physics 2026-05-19 Lee Grimberg , Svyatoslav Kostyukovets , Moshe G. Harats

Epsilon-near-zero (ENZ) media disclose the peculiarities of electrodynamics in the limit of infinite wavelength but non-zero frequency for experiments and applications. Theory suggests that wave interaction with obstacles and disturbances…

Single layers of transition metal dichalcogenides, such as WSe$_2$ have gathered increasing attention due to their intense electron-hole interactions, being considered promising candidates for developing novel optical applications. Within…

Materials Science · Physics 2023-07-12 Fabio J. R. Costa , Thiago G-L. Brito , Ingrid D. Barcelos , Luiz Fernando Zagonel

The effects of substrate on electronic and optical properties of triangular and hexagonal graphene nanoflakes with armchair edges are investigated by using a configuration interaction approach beyond double excitation scheme. The…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 W. Sheng , M. Sun , A. Zhou , S. J. Xu

Spontaneous emission is one of the most fundamental out-of-equilibrium processes in which an excited quantum emitter relaxes to the ground state due to quantum fluctuations. In this process, a photon is emitted that can interact with other…

Mesoscale and Nanoscale Physics · Physics 2023-12-05 Erik Petrovish Navarro-Barón , Herbert Vinck-Posada , Alejandro González-Tudela

Epsilon-near-zero materials are exceptional candidates for studying electrodynamics and nonlinear optical processes at the nanoscale. We demonstrate that by alternating a metal and a highly doped conducting-oxide, the epsilon-near-zero…

We reveal that the phenomenon of full transmission without phase accumulation commonly associated with epsilon-near-zero (ENZ) materials for a plane-wave does not require vanishing of permittivity. We theoretically connect the phenomenon…

Applied Physics · Physics 2019-02-06 Vladislav Popov , Sergei Tretyakov , Andrey Novitsky

Molecules consisting of a donor and an acceptor moiety can exhibit large intrinsic dipole moments. Upon deposition on a metal surface, the dipole may be effectively screened and the charge distribution altered due to hybridization with…

Epsilon-near-zero (ENZ) media have been very actively investigated due to their unconventional wave phenomena and strengthened nonlinear response. However, the technological impact of ENZ media will be determined by the quality of realistic…

Optics · Physics 2023-03-09 David Navajas , José Manuel Pérez-Escudero , Iñigo Liberal

We study the spontaneous emission of a dipole emitter imbedded into a layered metal-dielectric metamaterial. We demonstrate ultra-high values of the Purcell factor in such structures due to a high density of states with hyperbolic…

Optics · Physics 2015-05-30 Ivan Iorsh , Alexander Poddubny , Alexey Orlov , Pavel Belov , Yuri Kivshar

We investigate local field enhancement phenomena in subwavelength, {\epsilon}-near-zero (ENZ) slabs that do not exploit Fabry-P\'erot resonances. In particular, we study the linear response of engineered metamaterial slabs of finite…

Transverse Kerker effect is known by the directional scattering of an electromagnetic plane wave perpendicular to the propagation direction with nearly suppression of both forward and backward scattering. Compared with plane waves,…

Classical Physics · Physics 2023-03-03 Feifei Qin , Zhanyuan Zhang , Kanpei Zheng , Yi Xu , Songnian Fu , Yuncai Wang , Yuwen Qin

We determine the optical response of a thin and dense layer of interacting quantum emitters. We show that in such a dense system, the Lorentz redshift and the associated interaction broadening can be used to control the transmission and…

Quantum Physics · Physics 2016-07-12 Raiju Puthumpally-Joseph , Maxim Sukharev , Osman Atabek , Eric Charron

Nowadays, there is considerable interest in metamaterials which realize the electromagnetically induced transparency in a classical system. We consider the frequency shifts of particle moving in metamaterials exhibiting electromagnetically…

Optics · Physics 2016-04-20 S. Zielińska-Raczyńska , D. Ziemkiewicz

The spontaneous emission rate of dipole emitters close to plasmonic dimers are theoretically studied within a nonlocal hydrodynamic model. A nonlocal model has to be used since quantum emitters in the immediate environment of a metallic…

The inverse orbital Hall effect (IOHE) has recently attracted considerable attention as an emerging mechanism for terahertz (THz) emission based on ultrafast angular-momentum-to-charge conversion. Most experimental studies have focused on…

Metasurfaces have the ability to control classical and non-classical states of light to achieve controlled emission even at the level of single emitter. Here, we unveil the Kerker condition induced emission rate enhancement with strong…

Optics · Physics 2022-02-16 Megha Khokhar , Faraz A Inam , Rajesh V Nair

To date, epsilon near zero (ENZ) responses, characterized by an infinite phase velocity, are primarily achieved by applying a monochromatic light source to a tailored metamaterial. Here, we derive the equations for inducing a dynamically…

Optics · Physics 2023-01-31 Jacob Masur , Denys I. Bondar , Gerard McCaul

The ability to significantly enhance energy transfer processes at the nanoscale requires the simultaneous optimization of molecular-scale orientation and macroscopic photonic enhancement between multiple quantum emitters. However, achieving…