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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 perform a comparative study of light storage in antirelaxation-coated and buffer-gas-filled alkali-vapor cells using electromagnetically induced transparency (EIT) in warm rubidium vapor. The use of a buffer-gas-filled cell resulted in…

Quantum Physics · Physics 2024-05-30 Marin Ðujić , D. Buhin , N. Šantić , D. Aumiler , T. Ban

Interaction of a control and a signal field with an ensemble of three-level atoms allows direct mapping of the quantum state of the signal field into long lived coherences of an atomic ground state. For a vapor of cesium atoms, using…

Electromagnetically induced transparency (EIT) and absorption (EIA) are quantum coherence phenomena which result due to interference of excitation pathways. Since the first realization of EIT in 1991 and EIA in 1998, mechanisms behind these…

Quantum Physics · Physics 2022-06-20 Yağız Oyun , Özgür Çakır , Sevilay Sevinçli

The absorption of photons in a three-level atom can be controlled and manipulated by applying a coherent drive at one of the atomic transitions. The situation where the absorption is fully canceled, and the atom thus has been turned…

Quantum Physics · Physics 2020-12-01 Andreas Ask , Yao-Lung L. Fang , Anton Frisk Kockum

This tutorial introduces the theoretical and experimental basics of Electromagnetically Induced Transparency (EIT) in thermal alkali vapors. We first introduce a brief phenomenological description of EIT in simple three-level systems of…

Quantum Physics · Physics 2023-03-22 Ran Finkelstein , Samir Bali , Ofer Firstenberg , Irina Novikova

In the paper we consider a new approach for storage and cloning of quantum information by three level atomic (molecular) systems in the presence of the electromagnetically induced transparency (EIT) effect. For that, the various schemes of…

Quantum Physics · Physics 2007-05-23 A. P. Alodjants , S. M. Arakelian

We demonstrate a hybrid quantum memory that combines Gradient Echo Memory (GEM) and Electromagnetically Induced Transparency (EIT) protocols for reversible mapping between light and atomic coherence. By leveraging GEM and EIT…

Quantum Physics · Physics 2025-09-04 Stanisław Kurzyna , Mateusz Mazelanik , Wojciech Wasilewski , Michał Parniak

Controlling the interaction between localized optical and mechanical excitations has recently become possible following advances in micro- and nano-fabrication techniques. To date, most experimental studies of optomechanics have focused on…

Electromagnetically induced transparency (EIT) is a well-known phenomenon due in part to its applicability to quantum devices such as quantum memories and quantum gates. EIT is commonly modeled with a three-level lambda system due to the…

Quantum Physics · Physics 2022-07-21 Saesun Kim , Alberto M. Marino

We investigate the transient optical response property of an electromagnetically induced transparency (EIT) in a cold Rydberg atomic gas. We show that both the transient behavior and the steady-state EIT spectrum of the system depend…

Atomic Physics · Physics 2018-05-09 Qi Zhang , Zhengyang Bai , Guoxiang Huang

We study the light absorption and energy transferring in a donor-acceptor system with a bionic structure. In the optimal case with uniform couplings, it is found that the quantum dynamics of this seemingly complicated system is reduced as a…

Biological Physics · Physics 2012-04-13 H. Dong , D. Z. Xu , C. P. Sun

Strong nonlinear interactions between single photons have important applications in optical quantum information processing. Demonstrations of these interactions in cold atomic ensembles have largely been limited to exploiting slow light…

We report slowed propagation and storage and retrieval of thermal light in warm rubidium vapor using the effect of electromagnetically-induced transparency (EIT). We first demonstrate slowed-propagation of the probe thermal light beam…

Quantum Physics · Physics 2010-09-28 Young-Wook Cho , Yoon-Ho Kim

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

The electromagnetically induced transparency (EIT) observations in two $\Lambda$-systems of $^{87}Rb$ atom, $|5^{2}S_{1/2} F=1\rangle \rightarrow |5^{2}P_{3/2} F'=1\rangle \leftarrow |5^{2}S_{1/2} F=2\rangle$ and $|5^{2}S_{1/2} F=1\rangle…

Atomic Physics · Physics 2018-09-26 Charu Mishra , A. Chakraborty , A. Srivastava , S. K. Tiwari , S. P. Ram , V. B. Tiwari , S. R. Mishra

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

We construct the electromagnetically induced transparency (EIT) by dynamically coupling a superradiant state with a subradiant state. The superradiant and subradiant states with enhanced and inhibited decay rates act as the excited and…

Atomic Physics · Physics 2017-04-05 Wei Feng , Da-Wei Wang , Han Cai , Shi-Yao Zhu , Marlan O. Scully

The implementation of electromagnetically induced transparency (EIT) in a cold Rydberg gas provides an attractive route towards strong photon--photon interactions and fully deterministic all-optical quantum information processing. In this…

Quantum Physics · Physics 2017-08-23 J. D. Pritchard , K. J. Weatherill , C. S. Adams

We propose a method based on the Electromagnetically Induced Transparency (EIT) phenomenon for the detection of molecules which exist as a small minority in the presence of a majority of absorbers. The EIT effect we employ effectively…

Quantum Physics · Physics 2012-01-04 Asaf Eliam , Evgeny A. Shapiro , Moshe Shapiro