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We show how a medium, under the influece of a coherent control field which is resonant or close to resonance to an appropriate atomic transition, can lead to very strong asymmetries in the propagation of unpolarized light when the direction…

Quantum Physics · Physics 2009-11-07 G. S. Agarwal , Shubhrangshu Dasgupta

We explore theoretically electromagnetically-induced transparency (EIT) in a superconducting quantum circuit (SQC). The system is a persistent-current flux qubit biased in a $\Lambda$ configuration. Previously [Phys. Rev. Lett. 93, 087003…

Superconductivity · Physics 2009-11-11 Zachary Dutton , K. V. R. M. Murali , William D. Oliver , T. P. Orlando

Resonant dipole-dipole interaction (RDDI) is ubiquitous in light-matter interacting systems and is responsible for many fascinating properties of collective radiations. Here we theoretically investigate the role of RDDI in…

Quantum Physics · Physics 2022-06-15 H. H. Jen , G. -D. Lin , Y. -C. Chen

This paper intends to realize negative refraction with absorption suppressed by the electromagneticly induced transparency(EIT) in a dense four-level atomic system. Without the two equal transition frequencies responding to the probe field,…

Quantum Physics · Physics 2026-05-08 Shun-Cai Zhao

Electromagnetically induced transparency (EIT) is an important tool for controlling light propagation and nonlinear wave mixing in atomic gases with potential applications ranging from quantum computing to table top tests of general…

Quantum Physics · Physics 2009-11-13 James Owen Weatherall , Christopher P. Search , Markku Jaaskelainen

In this paper, a new structure is proposed which is expected to realize dual-band electromagnetically induced transparency (EIT)-like effect in terahertz spectrum. It can be regarded as a metamaterial of grating-like elements composed of…

Optics · Physics 2022-01-12 Chaoying Zhao , Jiahao Hu

Using Electromagnetically Induced Transparency (EIT) in a Cesium vapor, we demonstrate experimentally that the quantum state of a light beam can be mapped into the long lived Zeeman coherences of an atomic ground state. Two non-commuting…

Quantum Physics · Physics 2009-11-13 J. Cviklinski , J. Ortalo , J. Laurat , A. Bramati , M. Pinard , E. Giacobino

The coupling between dual-band or multi-band quasi-bound states in the continuum (q-BICs) is of great interest for their rich physics and promising applications. Here, we report tunable collective electromagnetic induced transparency-like…

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

We present an experimental study of cavity assisted Rydberg atom electromagnetically induced transparency (EIT) using a high-finesse optical cavity ($F \sim 28000$). Rydberg atoms are excited via a two-photon transition in a ladder-type EIT…

Atomic Physics · Physics 2017-09-13 Jiteng Sheng , Yuanxi Chao , Santosh Kumar , Haoquan Fan , Jonathon Sedlacek , James P. Shaffer

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

Recently, phase-change materials (PCMs) have drawn more attention due to the dynamically tunable optical properties. Here, we investigate the active control of electromagnetically induced transparency (EIT) analogue based on terahertz (THz)…

We discuss a \Lambda-like model of atomic levels involving two autoionizing (AI) states of the same energy. The system is irradiated by two external electromagnetic fields (strong -- driving and weak -- probing ones). For such a system…

Quantum Physics · Physics 2013-12-02 T. Bui Dinh , W. Leoński , V. Cao Long , J. Peřina

An optical spectroscopic method based on the principle of electromagnetically-induced transparency (EIT) is proposed as quite a generic probing tool that provides valuable insights into the nature of Fermi paring in ultracold Fermi gases of…

Quantum Gases · Physics 2015-05-14 Lei Jiang , Han Pu , Weiping Zhang , Hong Y. Ling

We present a full quantum model to study the fidelity of single photons with different quantum states propagating in a medium exhibiting electromagnetically induced transparency (EIT). By using the general reservoir theory, we can calculate…

Quantum Physics · Physics 2022-01-19 Hao Hsu , Chin-Yao Cheng , Jiun-Shiuan Shiu , Ling-Chun Chen , Yong-Fan Chen

We demonstrate a technique for continuous tuning of the Hanle effect from electromagnetically induced transparency (EIT) to electromagnetically induced absorption (EIA) by changing the polarization ellipticity of a control beam. In contrast…

Atomic Physics · Physics 2018-05-15 Mangesh Bhattarai , Vineet Bharti , Vasant Natarajan

Optical memory based on electromagnetically induced transparency (EIT) in a double-{\Lambda}atomic system provides a convenient way to convert the frequency, bandwidth or polarization of optical pulses by storing in one{\Lambda}channel and…

Atomic Physics · Physics 2020-08-20 Yan-Cheng Wei , Sheng-Xiang Lin , Pin-Ju Tsai , Ying-Cheng Chen

We present undergraduate-friendly instructions on how to produce light pulses propagating through warm Rubidium vapor with speeds less than 400 m/s, i.e., nearly a million times slower than c. We elucidate the role played by…

Using multiband k*p theory we study the size and geometry dependence on the slow light properties of conical semiconductor quantum dots. We find the V-type scheme for electromagnetically induced transparency (EIT) to be most favorable, and…

Mesoscale and Nanoscale Physics · Physics 2010-02-11 D. Barettin , J. Houmark , B. Lassen , M. Willatzen , T. R. Nielsen , J. Mork , A. -P. Jauho

Electromagnetically induced transparency allows for light transmission through dense atomic media by means of quantum interference. Media exhibiting electromagnetically induced transparency have very interesting properties, such as…

Quantum Physics · Physics 2015-06-26 Leon Karpa , Martin Weitz