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We theoretically and numerically investigate metamaterials composed of coupled resonators with indirect coupling. First, we theoretically analyze a mechanical model of coupled resonators with indirect coupling. The theoretical analysis…

Optics · Physics 2014-03-04 Yasuhiro Tamayama , Kanji Yasui , Toshihiro Nakanishi , Masao Kitano

We propose a scheme to demonstrate the electromagnetically induced transparency (EIT) in a system of a superconducting Cooper-pair box coupled to a nanomechanical resonator. In this scheme, the nanomechanical resonator plays an important…

Superconductivity · Physics 2009-11-13 Xiao-Zhong Yuan , Hsi-Sheng Goan , Chien-Hung Lin , Ka-Di Zhu , Yi-Wen Jiang

A plasmonic "molecule" consisting of a radiative element coupled with a sub-radiant (dark) element is theoretically investigated. The plasmonic "molecule" shows close resemblance to the electromagnetically induced transparency (EIT) in an…

Optics · Physics 2008-01-11 Shuang Zhang , Dentcho A Genov , Yuan Wang , Ming Liu , Xiang Zhang

We propose a metamaterial to realize true electromagnetically induced transparency (EIT), where the incidence of an auxiliary electromagnetic wave called the control wave induces transparency for a probe wave. The analogy to the original…

Optics · Physics 2015-08-25 Toshihiro Nakanishi , Masao Kitano

We present a theory of electromagnetically induced transparency in a cold ensemble of strongly interacting Rydberg atoms. Long-range interactions between the atoms constrain the medium to behave as a collection of superatoms, each…

Quantum Physics · Physics 2011-11-23 David Petrosyan , Johannes Otterbach , Michael Fleischhauer

We study 85Rb atomic vapor for electromagnetically induced transparency (EIT) and obtain sub-natural EIT spectra at optical power higher than saturation intensity. It is shown that spectral width of transmission and intensity of EIT signal…

Atomic Physics · Physics 2011-01-21 S. M. Iftiquar

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

We have studied the phenomenon of electromagnetically induced transparency (EIT) of 87Rb vapor with a buffer gas in a magnetic field at room temperature. It is found that the spectral lines caused by the velocity selective optical pump…

Atomic Physics · Physics 2017-03-09 Cheng Hong , Wang Han-mu , Zhang Shan-Shan , Xin Pei-Pei , Luo Jun , Liu Hong-Ping

We study intensity distribution of transmission resonances under the conditions of electromagnetically induced transparency (EIT) with lin||lin configuration in 87Rb vapor. We demonstrate that for various orientations of the external…

We discuss the use of electromagnetically modified absorption to achieve selective excitation in atoms: that is, the laser excitation of one transition while avoiding simultaneously exciting another transition whose frequency is the same as…

Quantum Physics · Physics 2007-05-23 M. J. McDonnell , D. N. Stacey , A. M. Steane

We demonstrate theoretically that electromagnetically induced transparency can be achieved in metamaterials, in which electromagnetic radiation is interacting resonantly with mesoscopic oscillators rather than with atoms. We describe novel…

Materials Science · Physics 2010-01-30 Ph. Tassin , Lei Zhang , Th. Koschny , E. N. Economou , C. M. Soukoulis

We investigated numerically the electromagnetically induced transparency (EIT) behavior with the maximum Q factor is up to 28000 in a metal-dielectric metamaterial. It composed of two layers, a metallic strip as bright mode stacked above a…

Optics · Physics 2019-08-26 Bingxin Han , Zhi Hong

Electrical Impedance Tomography (EIT) is a powerful imaging technique with diverse applications, e.g., medical diagnosis, industrial monitoring, and environmental studies. The EIT inverse problem is about inferring the internal conductivity…

Machine Learning · Computer Science 2023-10-31 Derick Nganyu Tanyu , Jianfeng Ning , Andreas Hauptmann , Bangti Jin , Peter Maass

We study single-photon induced electromagnetically induced transparency (EIT) in many-emitter waveguide quantum electrodynamics (wQED) with linear and nonlinear waveguide dispersion relations. In the single-emitter problem, in addition to…

Quantum Physics · Physics 2024-06-03 Tiberius Berndsen , Imran M. Mirza

The increased spectral resolution allowed by the use of extremely thin vapor cells has led to the observation of interesting behaviour of alkali transitions when placed in a magnetic field. Particularly, transitions obeying an apparent…

Atomic Physics · Physics 2022-04-06 Armen Sargsyan , Arevik Amiryan , Ara Tonoyan , Emmanuel Klinger , David Sarkisyan

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

We present theoretical and numerical analysis of a plasmonic-dielectric hybrid system for symmetric and asymmetric coupling between silver cut-wire pairs and silicon grating waveguide with periodic grooves. The results show that both…

Optics · Physics 2015-05-20 Bin Tang , Lei Dai , Chun Jiang

We study the limitations on observing transient amplification in atomic systems exhibiting electromagnetically induced transparency (EIT) and evaluate the limits of optical Bloch equation (OBE) models. Using propagation-based Maxwell-Bloch…

Quantum Physics · Physics 2025-09-29 Andrew MacRae , Connor Kupchak

We present an observation of competition effect among multiple quantum paths in a Raman-type Mach-Zehnder atom interferometer. By measuring the contrast of interference fringes, the competition effect among multiple interference paths is…

We perform Zeeman spectroscopy on a Rydberg electromagnetically induced transparency (EIT) system in a room-temperature Cs vapor cell, in magnetic fields up to 50~Gauss and for several polarization configurations. The magnetic interactions…

Atomic Physics · Physics 2017-06-01 Linjie Zhang , Shanxia Bao , Hao Zhang , Georg Raithel , Jianming Zhao , Liantuan Xiao , Suotang Jia