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In this paper, we study the interaction between a $\Lambda$-type three-level atom and two quantized electromagnetic fields which are simultaneously injected in a bichromatic cavity surrounded by a Kerr medium in the presence of the…

Quantum Physics · Physics 2014-07-30 M. J. Faghihi , M. K. Tavassoly , M. Bagheri Harouni

Taming quantum dynamical processes is the key to novel applications of quantum physics, e.g. in quantum information science. The control of light-matter interactions at the single-atom and single-photon level can be achieved in cavity…

Quantum Physics · Physics 2015-06-26 Stefan Nussmann , Karim Murr , Markus Hijlkema , Bernhard Weber , Axel Kuhn , Gerhard Rempe

We introduce a combination of coherent states as variational test functions for the atomic and radiation sectors to describe a system of Na three- level atoms interacting with a one-mode quantised electromagnetic field, with and without the…

Quantum Physics · Physics 2015-10-22 R. López-Peña , S. Cordero , E. Nahmad-Achar , O. Castaños

We consider the resonant van der Waals interaction between two correlated identical two-level atoms (at least one of which being excited) within the framework of macroscopic cavity quantum electrodynamics in linear, dispersing and absorbing…

Quantum Physics · Physics 2018-05-09 Saeideh Esfandiarpour , Robert Bennett , Hassan Safari , Stefan Yoshi Buhmann

The increasing level of experimental control over atomic and optical systems gained in the past years have paved the way for the exploration of new physical regimes in quantum optics and atomic physics, characterised by the appearance of…

Quantum Physics · Physics 2008-12-17 Michael J. Hartmann , Fernando G. S. L. Brandao , Martin B. Plenio

We study the collective optical response of an atomic ensemble confined within a single-mode optical cavity by stochastic electrodynamics simulations that include the effects of atomic position correlations, internal level structure, and…

Quantum Physics · Physics 2017-08-28 Mark D. Lee , Stewart D. Jenkins , Yael Bronstein , Janne Ruostekoski

In cavity QED, the mutual interaction between natural atomic systems in presence of a radiation field was ignored due to its negligible impact compared with the coupling to the field. The newly engineered artificial atomic systems (such as…

Quantum Physics · Physics 2018-02-07 Gehad Sadiek , Wiam AlDrees , M. Sebaweh Abdallah

Cavity quantum electrodynamics of multipartite systems is studied in depth, which consist of an arbitrary number of emitters in interaction with an arbitrary number of cavity modes. The governing model is obtained by taking the full…

Quantum Physics · Physics 2015-09-30 Moslem Alidoosty Shahraki , Sina Ataollah Khorasani

We introduce a simple model for electromagnetically induced transparency in which all fields are treated quantum mechanically. We study a system of three separated atoms at fixed positions in a one-dimensional multimode optical cavity. The…

Quantum Physics · Physics 2018-05-09 Thomas Purdy , Martin Ligare

In this communication we introduce a new model which represents the interaction between an atom and two fields injected simultaneously within a cavity including the nonlinear couplers. By using the canonical transformation the model can be…

Quantum Physics · Physics 2009-11-13 Mahmoud Abdel-Aty , M. Sebawe Abdalla , Barry C. Sanders

We show how the dynamics of collisions between cold atoms can be manipulated by a modification of spontaneous emission times. This is achieved by placing the atomic sample in a resonant optical cavity. Spontaneous emission is enhanced by a…

Quantum Physics · Physics 2007-05-23 J. I. Kim , R. B. B. Santos , P. Nussenzveig.

We propose a quantum simulation of a two-level atom coupled to a single mode of the electromagnetic field in the ultrastrong-coupling regime based upon resonant Raman transitions in an atom interacting with a high finesse optical cavity…

Quantum Physics · Physics 2014-08-27 Arne L. Grimsmo , Scott Parkins

We investigate a cavity quantum electrodynamic effect, where the alignment of two-dimensional freely rotating optical dipoles is driven by their collective coupling to the cavity field. By exploiting the formal equivalence of a set of…

Quantum Physics · Physics 2017-08-02 Erika Cortese , Pavlos Lagoudakis , Simone De Liberato

In ultra- and deep-strong cavity quantum electrodynamics (QED) systems, many intriguing phenomena that do not conserve the excitation number are expected to occur. In this study, we theoretically analyze the optical response of an…

Quantum Physics · Physics 2023-02-10 Kazuki Koshino , Tomohiro Shitara , Ziqiao Ao , Kouichi Semba

We address the dynamical bipartite entanglement in an opto-electro-mechanical system that involves a three-level atom. The system consists of a degenerate three-level atom, a mechanical resonator, an optical cavity, and a microwave cavity.…

The dipole-coupled two-level atoms(qubits) in a single-mode resonant cavity is studied by extended bosonic coherent states. The numerically exact solution is presented. For finite systems, the first-order quantum phase transitions occur at…

Quantum Physics · Physics 2015-05-19 Qing-Hu Chen , Tao Liu , Yu-Yu Zhang , Ke-Lin Wang

The exactly analytical solutions for the dynamics of the dissipative three-level V-type and $\Lambda$-type atomic systems in the vacuum Lorentzian environments are presented. Quantum interference phenomenon between the two transitions in…

Quantum Physics · Physics 2017-12-27 Hao-Sheng Zeng , Yu-Kun Ren , Zhi He

We investigate laser-induced quantum interference phenomena in superradiance processes and in an ensemble of initially excited $\Lambda-$type closely packed three-level emitters. The lower doublet levels are pumped with a coherent laser…

Quantum Physics · Physics 2017-12-20 Ni Cui , Mihai A. Macovei

A single cavity photon mode is expected to modify the Coulomb interaction of an electron system in the cavity. Here we investigate this phenomena in a parallel double quantum dot system. We explore properties of the closed system and the…

Mesoscale and Nanoscale Physics · Physics 2016-05-17 Vidar Gudmundsson , Anna Sitek , Nzar Rauf Abdullah , Chi-Shung Tang , Andrei Manolescu

In this paper we show that three cavity fields can be entangled when they are tuned on resonance with an ensemble of dressed three-level atoms. The master equation for the three cavity modes is derived by using atomic dressed states and the…

Quantum Physics · Physics 2013-11-12 Jinhua Zou
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