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Related papers: Steady-State Multiparticle Entanglement via Dissip…

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Very recently, dissipative coupling was discovered, which develops and broadens methods for controlling and utilizing light-matter interactions. Here, we propose a scheme to generate the tripartite $W$ state in a dissipatively coupled…

Quantum Physics · Physics 2023-01-19 Guo-Qiang Zhang , Wei Feng , Wei Xiong , Qi-Ping Su , Chui-Ping Yang

An entangled state generation protocol for a system of two qubits driven with an ac signal and coupled through a resonator is introduced. We explain the mechanism of entanglement generation in terms of an interplay between unitary…

Mesoscale and Nanoscale Physics · Physics 2021-11-18 Sebastián Luciano Gallardo , Daniel Dominguez , María José Sánchez

Entanglement is typically created via systematic intervention in the time evolution of an initially unentangled state, which can be achieved by coherent control, carefully tailored non-demolition measurements, or dissipation in the presence…

Quantum Gases · Physics 2015-06-05 Michael Foss-Feig , Andrew J. Daley , James K. Thompson , Ana Maria Rey

We study the generation of quantum entanglement between two giant atoms coupled to a common one-dimensional waveguide. Here each giant atom interacts with the waveguide at two separate coupling points. Within the Wigner-Weisskopf framework…

Quantum Physics · Physics 2023-06-12 Xian-Li Yin , Jie-Qiao Liao

In this paper, we propose a high-fidelity scheme for generating entangled states in a system of two and three giant atoms coupled to the coupled resonator waveguide. Our approach leverages the bound state in the continuum, which is robust…

Quantum Physics · Physics 2025-01-14 Mingzhu Weng , Hongwei Yu , Zhihai Wang

In this paper, we investigate the dynamics of a two-atom system which couples to a quasi-one dimensional waveguide with rectangle cross section. The waveguide supports different TM and TE modes and the former ones play as environment by…

Quantum Physics · Physics 2023-04-26 Yang Xue , Zhihai Wang

Multiparticle entangled quantum states, a key resource in quantum-enhanced metrology and computing, are usually generated by coherent operations exclusively. However, unusual forms of quantum dynamics can be obtained when environment…

Quantum Physics · Physics 2016-01-28 Giovanni Barontini , Leander Hohmann , Florian Haas , Jérôme Estève , Jakob Reichel

We investigate the generation of multipartite entangled state in a system of N quantum dots embedded in a microcavity and examine the emergence of genuine multipartite entanglement by three different characterizations of entanglement. At…

Quantum Physics · Physics 2009-11-07 Xiaoguang Wang , Mang Feng , Barry C Sanders

Waveguide quantum electrodynamics (wQED) has become a central platform for studying collective light-matter interactions in low-dimensional photonic environments. While conventional wQED systems rely on uniform chirality or reciprocal…

Quantum Physics · Physics 2026-04-07 I Gusti Ngurah Yudi Handayana , Ya-Tang Yu , Wei-Hsuan Chung , H. H. Jen

In this paper, we investigate the bound states and the effective interaction between a pair of giant atoms, which couples to the coupled resonator waveguide in a nested configuration. To suppress the harmful individual and collective…

Quantum Physics · Physics 2024-09-17 Mingzhu Weng , Zhihai Wang

Continuous-variable encoding of quantum information in the optical domain has recently yielded large temporal and spectral entangled states instrumental for quantum computing and quantum communication. We introduce a protocol for the…

Quantum Physics · Physics 2021-01-20 D. Barral , K. Bencheikh , J. A. Levenson , N. Belabas

Distributing entanglement between remote sites is integral to quantum networks. Here, we demonstrate the autonomous stabilization of remote entanglement between a pair of non-interacting superconducting qubits connected by an open waveguide…

Quantum Physics · Physics 2024-02-27 Parth S. Shah , Frank Yang , Chaitali Joshi , Mohammad Mirhosseini

Spectrally and spatially varying ensembles of emitters embedded into waveguides are ever-present in both well-established and emerging technologies. If control of collective excitations can be attained, a plethora of coherent quantum…

Quantum Physics · Physics 2024-02-13 Lewis Ruks , Xuejun Xu , Ryuichi Ohta , William John Munro , Victor Manuel Bastidas

Dissipation is usually considered a negative factor for observing quantum effects and for harnessing them for quantum technologies. Here we propose a scheme for speeding up the generation of quantum entanglement between two coupled qubits…

Quantum Physics · Physics 2024-10-07 Xiao-Wei Zheng , Jun-Cong Zheng , Xue-Feng Pan , Li-Hua Lin , Pei-Rong Han , Peng-Bo Li

We propose a dissipative method for preparation of a maximally entangled steady state of two trapped ions in the Lamb-Dicke limit. By addressing the trapped-ion system with a monochromatic standing wave laser pulse of frequency resonant…

Quantum Physics · Physics 2022-07-14 Xiao-Qiang Shao

We investigate how to enhance entanglement in the steady state of interacting two-level systems. The steady state is reached by spontaneous decay of the individual systems. When we additionally couple them to a dissipative two-level ancilla…

Quantum Physics · Physics 2015-12-09 Joachim Fischbach , Matthias Freyberger

In the current quest for efficient and experimentally feasible platforms for implementation of multimode squeezing and entanglement in the continuous variable regime, we underpin and complement our results on the generation of versatile…

We propose a scheme for driving a dimer of spatially separated qubits into a maximally entangled non-equilibrium steady state. A photon-mediated retarded interaction between the qubits is realized by coupling them to two tunnel-coupled…

Quantum Physics · Physics 2015-01-05 Camille Aron , Manas Kulkarni , Hakan E. Türeci

We study the dynamics of a general multi-emitter system coupled to the squeezed vacuum reservoir and derive a master equation for this system based on the Weisskopf-Wigner approximation. In this theory, we include the effect of positions of…

Quantum Physics · Physics 2018-02-14 Jieyu You , Zeyang Liao , Sheng-Wen Li , M. Suhail Zubairy

A method for generating entangled cat states of two modes of a microwave cavity field is proposed. Entanglement results from the interaction of the field with a beam of atoms crossing the microwave resonator, giving rise to non-unitary…

Quantum Physics · Physics 2015-06-15 Christian Arenz , Cecilia Cormick , David Vitali , Giovanna Morigi