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Related papers: Engineering Entanglement between two cavity modes

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We study the generation of entanglement between two qubits which communicate through a single cavity mode of quantum light but have no direct interaction. We show that such entanglement can be generated simply by exchanging quanta with a…

Quantum Physics · Physics 2023-06-21 Seongjin Ahn , Andrey S. Moskalenko , Vladimir Y. Chernyak , Shaul Mukamel

An open quantum bipartite system consisting of two independent two-level atoms interacting non-linearly with a two-mode electromagnetic cavity field is investigated by proposing a suitable non-Hermitian generalization of Hamiltonian. The…

Quantum Physics · Physics 2020-02-25 Reyad Salah , Ahmed M. Farouk , Ahmed Farouk , M. Abdel-Aty , A. -S. F. Obada

A scheme for generating the maximally entangled mixed state of two atoms on-resonance asymmetrically coupled to a single mode optical cavity field is presented. The part frontier of both maximally entangled mixed states and maximal Bell…

Quantum Physics · Physics 2009-11-13 Shang-Bin Li

Generation of quantum entanglement between a pair of qubits is studied in a cavity-QED platform. The qubit pair is placed inside a common cavity environment. We show that the relative strength of qubit-photon couplings is crucial for…

Quantum Physics · Physics 2024-06-17 Amit Dey

In this Letter, we demonstrate the generation of multimode entangled states of propagating microwaves. The entangled states are generated by parametrically pumping a multimode superconducting cavity. By combining different pump frequencies,…

We propose a scheme for the generation of entangled states for two atoms trapped in separate cavities coupled to each other. The scheme is based on the competition between the unitary dynamics induced by the classical fields and the…

Quantum Physics · Physics 2011-12-30 Li-Tuo Shen , Xin-Yu Chen , Zhen-Biao Yang , Huai-Zhi Wu , Shi-Biao Zheng

This article investigates quantum entanglement generated within a one-dimensional cavity where one boundary undergoes prescribed acceleration, a setup designed to mimic aspects of Hawking radiation. We quantify quantum correlations using…

General Relativity and Quantum Cosmology · Physics 2025-12-18 José Manuel Montes-Armenteros , Javier Olmedo

We propose a model to study the coherence and entanglement resulting from the interaction of a finite-size atomic ensemble with degenerate counter-propagating field modes of a high-Q ring cavity. Our approach applies to an arbitrary number…

Quantum Physics · Physics 2015-05-28 Li-hui Sun , Gao-xiang Li , Wen-ju Gu , Zbigniew Ficek

We predict that the collective excitations of an atomic array become entangled with the light of a high-finesse cavity mode when they are suitably coupled. This entanglement is of Einstein-Podolsky-Rosen type, it is robust against cavity…

Quantum Physics · Physics 2014-02-20 Hessam Habibian , Stefano Zippilli , Fabrizio Illuminati , Giovanna Morigi

We demonstrate quantum control and entanglement generation using a Landau-Zener beam splitter formed by coupling two transmon qubits to a superconducting cavity. Single passage through the cavity-mediated qubit-qubit avoided crossing…

Mesoscale and Nanoscale Physics · Physics 2014-01-31 C. M. Quintana , K. D. Petersson , L. W. McFaul , S. J. Srinivasan , A. A. Houck , J. R. Petta

Entanglement in high-dimensional quantum systems, where one or more degrees of freedom of light are involved, offers increased information capacities and enables new quantum protocols. Here, we demonstrate a functional source of…

In this work, we investigate the emergence and control of genuine tripartite entanglement in a hybrid cavity quantum electrodynamics architecture consisting of two linearly coupled single mode resonators, one of which interacts coherently…

Quantum Physics · Physics 2026-05-27 Abhishek Mandal , Joy Ghosh , Maruthi Manoj Brundavanam , Shailendra K Varshney

We propose a relatively robust scheme to generate maximally entangled states of (i) an atom and a cavity photon, (ii) two atoms in their ground states, and (iii) two photons in two spatially separate high-Q cavities. It is based on the…

Quantum Physics · Physics 2007-05-23 M. Amniat-Talab , S. Guerin , N. Sangouard , H. R. Jauslin

Hyper-entanglement between two or more photonic degrees of freedom (DOF) can enhance and enable new quantum protocols by allowing each DOF to perform the task it is optimally suited for. Here we demonstrate the generation of photon pairs…

The mechanism for entanglement of two flux qubits each interacting with a single mode electromagnetic field is discussed. By performing a Bell state measurements (BSM) on photons we find the two qubits in an entangled state depending on the…

Quantum Physics · Physics 2009-02-17 E. Zipper , M. Kurpas , J. Dajka , M. Kus

I show that entanglement between two qubits can be generated if the two qubits interact with a common heat bath in thermal equilibrium, but do not interact directly with each other. In most situations the entanglement is created for a very…

Quantum Physics · Physics 2009-11-07 Daniel Braun

We propose an efficient method to generate a GHZ entangled state of n photons in n microwave cavities (or resonators) via resonant interaction to a single superconducting qutrit. The deployment of a qutrit, instead of a qubit, as the…

Quantum Physics · Physics 2015-06-04 Chui-Ping Yang , Qi-Ping Su , Siyuan Han

We discuss the generation of entanglement between electronic states of two atoms in a cavity using direct quantum feedback schemes. We compare the effects of different control Hamiltonians and detection processes in the performance of…

Quantum Physics · Physics 2009-11-13 A. R. R. Carvalho , A. J. S. Reid , J. J. Hope

Quantum entanglement is an interesting resource for modern quantum technologies, where generating multiple quantum entanglement is highly required. However, entanglement engineering between multiple modes is strongly suppressed by dark mode…

Quantum Physics · Physics 2026-02-17 E. Kongkui Berinyuy , P. Djorwé , A. N. Al-Ahmadi , H. Ardah , A. -H. Abdel-Aty

We propose to produce entanglement by measuring the transmission of an optical cavity. Conditioned on the detection of a reflected photon, pairs of atoms in the cavity are prepared in maximally entangled states. The success probability…

Quantum Physics · Physics 2009-11-07 Anders S. Sorensen , Klaus Molmer