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Related papers: Talbot effect in nonparaxial self-accelerating bea…

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Stable transport of laser beams in highly over-dense plasmas is of significance in fast ignition of inertial confinement fusion, relativistic electrons generation, and powerful electromagnetic emission, but hard to realize. Early in 1996,…

Plasma Physics · Physics 2024-04-19 Tie-Huai Zhang , Wei-Min Wang , Yu-Tong Li , Jie Zhang

Electromagnetically induced transparency (EIT) has been realized in atomic systems, but fulfilling the EIT conditions for artificial atoms made from superconducting circuits is a more difficult task. Here we report an experimental…

The polarization of optical fields is a crucial degree of freedom in the all-optical analogue of electromagnetically induced transparency (EIT). However, the physical origins of EIT and polarization induced phenomena have not been well…

We present an integral of diffraction based on particular eigenfunctions of the Laplacian in two dimensions. We show how to propagate some fields, in particular a Bessel field, a superposition of Airy beams, both over the square root of the…

In this article, we examine plasmon induced transparency (PIT) effect in a parallel plate waveguide (PPWG) comprising of two similar pyramidal shaped grooves. One of the grooves is filled with air, while the other is filled with a…

Optics · Physics 2021-04-07 KM Dhriti , Maidul Islam , Angana Bhattacharya , Amir Ahmad , Gagan Kumar

We consider propagation of a probe pulse in an atomic medium characterized by a combined tripod and Lambda ($\Lambda$) atom-light coupling scheme. The scheme involves three atomic ground states coupled to two excited states by five light…

Quantum Physics · Physics 2017-12-01 H. R. Hamedi , J. Ruseckas , G. Juzeliūnas

Enhanced sensitivity in electromagnetically induced transparency (EIT) can be obtained by the use of noise correlation spectroscopy between the fields involved in the process. Here, we investigate EIT in a cold ($< 1$ mK) rubidium vapor and…

In the phenomenon of electromagnetically induced transparency1 (EIT) of a three-level atomic system, the linear susceptibility at the dipole-allowed transition is canceled through destructive interference of the direct transition and an…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Hugen Yan , Tony Low , Francisco Guinea , Fengnian Xia , Phaedon Avouris

We propose a scheme to create high-contrast, periodic atom density distributions having period $\lambda /2n$ using the Talbot effect, where $% \lambda $ is the wave length of the optical fields that scatter the atoms and $n$ is a positive…

Atomic Physics · Physics 2009-10-31 J. L. Cohen , B. Dubetsky , P. R. Berman , J. Schmiedmayer

In this paper, we investigate a nanomechanically induced transparency (NIT) effects that arises from the coupling of a nanoelectromechanical system and a trapped ion. By confining the ion in mesoscopic traps and capacitively coupling it…

Information Theory · Computer Science 2024-02-05 E. C. Diniz , O. P. de Sá Neto

We demonstrate experimentally the delay of squeezed light and entanglement using Electromagnetically Induced Transparency (EIT) in a rubidium vapour cell. We perform quadrature amplitude measurements of the probe field and find no…

Quantum Physics · Physics 2009-11-13 G. Hétet , B. C. Buchler , O. Glöckl , M. T. L. Hsu , A. M. Akulshin , H. -A. Bachor , P. K. Lam

We have experimentally studied propagation of two optical fields in a dense rubidium (Rb) vapor in the case when an additional microwave field is coupled to the hyperfine levels of Rb atoms. The Rb energy levels form a close-lambda…

The Talbot effect in quantum physics is known to produce intricate patterns in the probability distribution of a particle, known as "quantum carpets", corresponding to the revival and replication of the initial wave function. Recently, it…

We demonstrate a non-Hermitian topological effect that is characterized by having complex eigenvalues only in the edge states of a topological material, despite the fact that the material is completely uniform. Such an effect can be…

We study electromagnetically induced transparency (EIT) of a weakly interacting cold Rydberg gas. We show that the onset of interactions is manifest as a depopulation of the Rydberg state and numerically model this effect by adding a…

Quantum Physics · Physics 2009-11-13 K. J. Weatherill , J. D. Pritchard , R. P. Abel , M. G. Bason , A. K. Mohapatra , C. S. Adams

An exact theory for the density of a one-dimensional Bose-Einstein condensate with hard core particle interactions is developed in second quantization and applied to the scattering of the condensate by a spatially periodic impulse…

Atomic Physics · Physics 2016-09-08 A. G. Rojo , J. L. Cohen , P. R. Berman

Electromagnetically induced transparency (EIT) is observed in a three-level system composed of an excited state and two coherent superpositions of the two ground-state levels. This peculiar ground state basis is composed of the so-called…

Quantum Physics · Physics 2015-05-14 T. Lauprêtre , J. Ruggiero , R. Ghosh , F. Bretenaker , F. Goldfarb

We experimentally demonstrate the manipulation of optical diffraction, utilizing the atomic thermal motion in a hot vapor medium of electromagnetically-induced transparency (EIT). By properly tuning the EIT parameters, the refraction…

Quantum Physics · Physics 2015-05-13 O. Firstenberg , P. London , M. Shuker , A. Ron , N. Davidson

Precisely addressing single nanostructures inside dense ensembles remains a bottleneck for scalable photonic and quantum information devices. Here we demonstrate, through comprehensive finite element and variational Monte-Carlo modelling,…

Optics · Physics 2026-01-27 G. A. Mantashian , D. B. Hayrapetyan , P. A. Mantashyan

Ultrathin optical fibres integrated into cold atom setups are proving to be ideal building blocks for atom-photon hybrid quantum networks. Such optical nanofibres (ONF) can be used for the demonstration of nonlinear optics and quantum…

Atomic Physics · Physics 2015-12-11 Ravi Kumar , Vandna Gokhroo , Síle Nic Chormaic