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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

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

Using the density matrix theory of interaction between light and matter, and relevant parameters of the relaxation rates for a six-level model, we have shown theoretically the possibility of realizing Electromagnetically Induced…

Quantum Physics · Physics 2007-05-23 Hassan Kaatuzian , Sina Mehrabadi , Ahmad Ajdarzadeh Oskouei

We experimentally investigate the transient dynamics of an optical cavity field interacting with large ion Coulomb crystals in a situation of electromagnetically induced transparency (EIT). EIT is achieved by injecting a probe field at the…

Quantum Physics · Physics 2018-04-04 Magnus Albert , Aurélien Dantan , Michael Drewsen

People have been paying attention to the role of atoms' complex internal level structures in the research of electromagnetically induced transparency (EIT) for a long time, where the various degenerate Zeeman levels usually generate complex…

Atomic Physics · Physics 2018-02-21 Yuan Sun , Chang Liu , Ping-Xing Chen , Liang Liu

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

In contrast to the optomechanically induced transparency (OMIT) defined conventionally, the inverse OMIT behaves as coherent absorption of the input lights in the optomechanical systems. We characterize a feasible inverse OMIT in a…

Quantum Physics · Physics 2015-07-10 Qin Wu , Jian-Qi Zhang , Jin-Hui Wu , Mang Feng , Zhi-Ming Zhang

Using electromagnetically induced transparency (EIT), it is possible to delay and store light in atomic ensembles. Theoretical modelling and recent experiments have suggested that the EIT storage mechanism can be used as a memory for…

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

Electromagnetically Induced Transparency (EIT) and Autler-Townes (AT) are two phenomena that could be featured by a variety of three-level atomic systems. The considered phenomena, EIT and AT, are similar "looking" in the sense that they…

Quantum Physics · Physics 2010-02-11 Tony Y. Abi-Salloum

We show that a quasi-perfect quantum state transfer between an atomic ensemble and fields in an optical cavity can be achieved in Electromagnetically Induced Transparency (EIT). A squeezed vacuum field state can be mapped onto the…

Quantum Physics · Physics 2009-11-10 Aurelien Dantan , Michel Pinard

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 provide a broad outline of the requirements that should be met by components produced for a Quantum Information Technology (QIT) industry, and we identify electromagnetically induced transparency (EIT) as potentially key enabling science…

Quantum Physics · Physics 2009-11-10 R. G. Beausoleil , W. J. Munro , D. A. Rodrigues , T. P. Spiller

We investigate experimentally and theoretically the coherent and incoherent processes in open 3-level ladder systems in room temperature gases and identify in which regime electromagnetically induced transparency (EIT) occurs. The…

Atomic Physics · Physics 2013-12-02 A. Urvoy , C. Carr , R. Ritter , C. S. Adams , K. J. Weatherill , R. Löw

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…

Efficient frequency conversion of photons has important applications in optical quantum technology because the frequency range suitable for photon manipulation and communication usually varies widely. Recently, an efficient frequency…

Highly excited Rydberg states of excitons in Cu$_2$O semiconductors provide a promising approach to explore and control strong particle interactions in a solid-state environment. A major obstacle has been the substantial absorption…

Quantum Gases · Physics 2020-10-28 Valentin Walther , Peter Grünwald , Thomas Pohl

We present a theoretical model for electromagnetically induced transparency (EIT) in vapor, that incorporates atomic motion and velocity-changing collisions into the dynamics of the density-matrix distribution. Within a unified formalism we…

Quantum Physics · Physics 2008-06-06 O. Firstenberg , M. Shuker , R. Pugatch , D. R. Fredkin , N. Davidson , A. Ron

We study optical bistable behavior of a Rydberg electromagnetically-induced transparency (EIT) atomic medium in a unidirectional optical ring-cavity. Due to strong van del Waal (vdW) interactions between the atoms, both optical nonlinear…

Quantum Physics · Physics 2018-11-13 You-Lin Chuang , Mehmet Emre Tasgin

We theoretically studied the implementation of a quantum memory and an optical transistor in a system composed by a single atom trapped inside a high finesse cavity. In order to store and map the quantum state of an input pulse onto…

Quantum Physics · Physics 2016-03-17 Rommel R. Oliveira , Halyne S. Borges , James A. Souza , Celso J. Villas-Boas