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We study the evolution of quantum entanglement in double cavity systems. The entanglement of cavity atoms induced by entangled pair of photons is investigated. Both entanglement sudden death and entanglement sudden birth phenomena are shown…

Quantum Physics · Physics 2011-04-19 Li-Li Lan , Xiang-Bin Wang , Shao-Ming Fei

We investigate simultaneous multiphoton-multiatom processes in atomic gases exposed to laser fields under specific frequency conditions, where multiple atoms are simultaneously excited through the absorption of one laser photon each. These…

Atomic Physics · Physics 2025-04-09 Yongle Yu

Using a single circular Rydberg atom, we have prepared two modes of a superconducting cavity in a maximally entangled state. The two modes share a single photon. This entanglement is revealed by a second atom probing, after a delay, the…

Quantum Physics · Physics 2009-11-07 A. Rauschenbeutel , P. Bertet , S. Osnaghi , G. Nogues , M. Brune , J. M. Raimond , S. Haroche

An experiment is performed where a single rubidium atom trapped within a high-finesse optical cavity emits two independently triggered entangled photons. The entanglement is mediated by the atom and is characterized both by a Bell…

Quantum Physics · Physics 2009-01-26 B. Weber , H. P. Specht , T. Mueller , J. Bochmann , M. Muecke , D. L. Moehring , G. Rempe

We propose to implement the Jaynes-Cummings model by coupling a few-micrometer large atomic ensemble to a quantized cavity mode and classical laser fields. A two-photon transition resonantly couples the single-atom ground state |g> to a…

Quantum Physics · Physics 2015-05-19 Christine Guerlin , Etienne Brion , Tilman Essslinger , Klaus Moelmer

We study the system that two atoms simultaneously interact with a single-mode thermal field via different couplings and different spontaneous emission rates when two-photon process is involved. It is found that we indeed can employ the…

Quantum Physics · Physics 2009-09-29 Y. Q. Guo , L. Zhou , H. S. Song

We theoretically investigate signatures of stimulated emission at the single photon level for a two-level atom interacting with a one-dimensional light field. We consider the transient regime where the atom is initially excited, and the…

Quantum Physics · Physics 2012-02-10 D. Valente , S. Portolan , G. Nogues , J. P. Poizat , M. Richard , J. M. Gérard , M. F. Santos , A. Auffèves

Ultracold atoms coupled to optical cavities offer a powerful platform for studying strongly correlated many-body physics. Here, we propose an experimental scheme for creating biatomic molecules via cavity-enhanced photoassociation from an…

Quantum Gases · Physics 2026-04-17 Yun Chen , Yuqi Wang , Jingjun You , Yingqi Liu , Su Yi , Yuangang Deng

We investigate the quantum interference effects of single photon transfer in two-atom cavity system caused by external excitation phase. In the proposed system, two identical atoms (with different positions in the optical cavity) are…

Quantum Physics · Physics 2017-06-28 Chun Xiao Zhou , Rui Zhang , Miao Di Guo , S. A. Moiseev , Xue Mei Su

In this paper we propose an alternative scheme to generate a supersinglet state of three three-level atoms via a single-mode of a cavity QED based on the two-photon transitions described by the 'full microscopical Hamiltonian approach'. In…

Quantum Physics · Physics 2015-05-20 W. -C. Qiang , W. B. Cardoso , A. T. Avelar , B. Baseia

We present two cavity quantum electrodynamics proposals that, sharing the same basic elements, allow for the deterministic generation of entangled photons pairs by means of a three-level atom successively coupled to two single longitudinal…

Quantum Physics · Physics 2009-11-13 R. Garcia-Maraver , K. Eckert , R. Corbalan , J. Mompart

We study analytically and numerically the dynamical Casimir effect in a cavity containing two stationary 2-level atoms that interact with the resonance field mode via the Tavis-Cummings Hamiltonian. We determine the modulation frequencies…

Quantum Physics · Physics 2012-06-12 A. V. Dodonov , V. V. Dodonov

We propose a scheme to realize a highly efficient solid state source of photon pairs using cavity-assisted stimulated Raman adiabatic passage (STIRAP) in a single quantum dot, where a single photon from pump pulse and two stokes photons…

Mesoscale and Nanoscale Physics · Physics 2016-09-07 J K Verma , P K Pathak

We propose a scheme for the generation of a two-mode field squeezed state in cavity QED. It is based on two-channel Raman excitations of a beam of three-level atoms with random arrival times by two classical fields and two high-Q resonator…

Quantum Physics · Physics 2009-05-06 Pengbo Li

We predict large cooperative effect involving two atom two photon vacuum Rabi oscillations in a high quality cavity. The two photon emission occurs as a result of simultaneous de-excitation of both atoms with two photon resonance condition…

Quantum Physics · Physics 2009-11-10 P. K. Pathak , G. S. Agarwal

We theoretically investigate the generation of heralded entanglement between two identical atoms via cavity-assisted photon scattering in two different configurations, namely either both atoms confined in the same cavity or trapped into…

Quantum Physics · Physics 2018-01-24 Halyne S. Borges , Daniel Z. Rossatto , Fabrício S. Luiz , Celso J. Villas-Boas

We investigate theoretically the model of a cavity-quantum-electrodynamics (QED) system that consists of two two-level atoms coupled to a single-mode cavity in the weak coupling regime, where the system is driven by quantum light. The…

Quantum Physics · Physics 2018-11-21 Qian Bin , Xin-You Lü , Shang-Wu Bin , Ying Wu

We study theoretically the nonstationary circuit QED system in which the artificial atom transition frequency, or the atom-cavity coupling, have a small periodic time modulation, prescribed externally. The system formed by the atom coupled…

Quantum Physics · Physics 2009-06-17 A. V. Dodonov

We suggest a technique to induce effective, controllable interactions between atoms that is based on Raman scattering into an optical mode propagating with a slow group velocity. The resulting excitation corresponds to the creation of…

Quantum Physics · Physics 2009-11-07 A. Andre , L. -M. Duan , M. D. Lukin

We show that photon coincidence spectroscopy can provide an unambiguous signature of two atoms simultaneously interacting with a quantised cavity field mode. We also show that the single-atom Jaynes-Cummings model can be probed effectively…

Quantum Physics · Physics 2007-05-23 L. Horvath , B. C. Sanders