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We systematically develop the full quantum theory for the electromagnetic induced transparency (EIT) and slow light properties in ultracold Bose and Fermi gases. It shows a very different property from the classical theory which assumes…

Quantum Gases · Physics 2015-06-05 H. H. Jen , Bo Xiong , Ite A. Yu , Daw-Wei Wang

The essential quantum many-body physics of an ultracold quantum gas relies on the single-particle Green's functions.\ We demonstrate that it can be extracted by the spectrum of electromagnetically induced transparency (EIT).\ The…

Quantum Gases · Physics 2014-11-03 H. H. Jen , Daw-Wei Wang

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

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 theoretically investigate light propagation and electromagnetically induced transparency (EIT) in a quasi one-dimensional gas in which atoms interact strongly via exchange interactions. We focus on the case in which the gas is initially…

Atomic Physics · Physics 2014-08-01 Weibin Li , Daniel Viscor , Sebastian Hofferberth , Igor Lesanovsky

Electromagnetically induced transparency (EIT) is a signature of quantum interference in an atomic three-level system. By driving the dressed cavity-qubit states of a two-dimensional circuit QED system, we generate a set of polariton states…

Quantum Physics · Physics 2018-02-27 Junling Long , H. S. Ku , Xian Wu , Xiu Gu , Russell E. Lake , Mustafa Bal , Yu-xi Liu , David P. Pappas

We examine electromagnetically induced transparency (EIT) in an ensemble of cold $\Lambda-$type atoms induced by a quantum control field in multi-mode coherent states and compare it with the transparency created by the classical light of…

Quantum Physics · Physics 2016-04-05 Anahit Gogyan , Yuri Malakyan

We propose a new measurement scheme for the atom-molecule dark state by using electromagnetically induced transparency (EIT) technique. Based on a density-matrix formalism, we calculate the absorption coefficient numerically. The appearance…

Other Condensed Matter · Physics 2015-06-25 Guang-Ri Jin , Chul Koo Kim , Kyun Nahm

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 present experimental results on the influence of magnetic fields and laser polarization on electromagnetically induced transparency (EIT) using Rydberg levels of $^{87}$Rb atoms. The measurements are performed in a room temperature vapor…

Electromagnetically induced transparency (EIT) is a phenomenon that can provide strong and robust interfacing between optical signals and quantum coherence of electronic spins. In its archetypical form, mainly explored with atomic media, it…

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

Optical nonlinearities offer unique possibilities for the control of light with light. A prominent example is electromagnetically induced transparency (EIT) where the transmission of a probe beam through an optically dense medium is…

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 present experimental observation of electromagnetically induced transparency (EIT) on a single macroscopic artificial "atom" (superconducting quantum system) coupled to open 1D space of a transmission line. Unlike in a optical media with…

Quantum Physics · Physics 2015-05-18 A. A. Abdumalikov, , O. Astafiev , A. M. Zagoskin , Yu. A. Pashkin , Y. Nakamura , J. -S. Tsai

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

Controlling the optical response of a medium through suitably tuned coherent electromagnetic fields is highly relevant in a number of potential applications, from all-optical modulators to optical storage devices. In particular,…

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 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 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
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