English
Related papers

Related papers: Bilateral photon emission from a vibrating mirror …

200 papers

We demonstrate theoretically the feasibility of correlated entangled photon-pair generation with vanishing threshold in a bimodal cavity setup that uses a single V-type three level atom pumped by dual incoherent sources and driven by two…

Quantum Physics · Physics 2023-06-07 Anushree Dey , Arpita Pal , Subhasish Dutta Gupta , Bimalendu Deb

Parametrically driving an optical cavity that simultaneously couples to an atomic ensemble quantum memory enables in-situ generation of multimode photon-memory entanglement. A high-rate bi-party photon-memory entanglement can be generated…

Quantum Physics · Physics 2024-10-17 Hoi-Kwan Lau , Hong Qiao , Aashish A. Clerk , Tian Zhong

We investigate a hybrid optomechanical system comprised of a mechanical oscillator and an atomic 3-level ensemble within an optical cavity. We show that a suitably tailored cavity field response via Electromagnetically Induced Transparency…

Quantum Physics · Physics 2015-05-28 Claudiu Genes , Helmut Ritsch , Michael Drewsen , Aurélien Dantan

We show that the optomechanical coupling between an optical cavity mode and the two movable cavity end mirrors is able to entangle two different macroscopic oscillation modes of the mirrors. This continuous variable entanglement is…

Quantum Physics · Physics 2009-11-07 Stefano Mancini , David Vitali , Vittorio Giovannetti , Paolo Tombesi

The quantum vacuum of the electromagnetic field is inherently entangled across distinct spatial sub-regions resulting in entangled particle content across these sub-regions. However accessing this particle content in a controlled laboratory…

Quantum Physics · Physics 2026-03-10 Germain Tobar , Joshua Foo , Sofia Qvarfort , Fabio Costa , Rivka Bekenstein , Magdalena Zych

We study entanglement of the cavity modes in a double-cavity optomechanical system in strong-coupling regime. The system consists of two optomechanical systems coupled by a single photon hopping between them. With the radiation pressure of…

Optics · Physics 2018-08-29 Ding-Shan Liu , Pu-Tong Wang , Ming Jin , Miao Yin

The ability to generate entangled states of light is a key primitive for quantum communication and distributed quantum computation. Continuously driven sources, including those based on spontaneous parametric downconversion, are usually…

We propose an approach to generate strong quantum entanglement by the controllable four wave mixing mechanism in a single cavity, weak coupling optomechanical system. The optomechanical system is driven by a strong two tone pump field and a…

Quantum Physics · Physics 2019-11-27 Xiang You , Yongmin Li

We perform a theoretical study on quantum correlations in an optomechanical system where the mechanical mirror is perturbatively coupled to an auxiliary qubit. In our study, we consider logarithmic negativity to quantify the degree of…

Quantum Physics · Physics 2018-03-07 Subhadeep Chakraborty , Amarendra Kumar Sarma

We propose a theoretical scheme to generate nonreciprocal bipartite entanglement between a cavity mode and vibrational modes in a molecular cavity optomechanical system. Our system consists of $\mathcal{N}$ molecules placed inside a…

A strategy for generating entanglement in two separated optomechanical oscillators is analysed, using entangled radiation produced from downconversion and stored in an initiating cavity. We show that the use of pulsed entanglement with…

Quantum Physics · Physics 2017-07-19 S. Kiesewetter , R. Y. Teh , M. D. Reid , P. D. Drummond

Preparing macroscopic mechanical resonators close to their motional quantum groundstate and generating entanglement with light offers great opportunities in studying fundamental physics and in developing a new generation of quantum…

Quantum Physics · Physics 2022-11-04 Jingkun Guo , Simon Gröblacher

As a waveguide circuit QED architecture, we investigate theoretically the single-photon pair emission of a Cooper pair splitter composed of two double quantum dots, each coupled to a microwave transmission line. We find that this system can…

Mesoscale and Nanoscale Physics · Physics 2025-05-30 Michele Governale , Christian Schönenberger , Pasquale Scarlino , Gianluca Rastelli

We propose a special cavity design that is constructed by terminating a one-dimensional waveguide with a perfect mirror at one end and doping a two-level atom at the other. We show that this atom plays the intrinsic role of a…

Quantum Physics · Physics 2015-05-13 H. Dong , Z. R. Gong , H. Ian , Lan Zhou , C. P. Sun

Achieving coherent quantum control over massive mechanical resonators is a current research goal. Nano- and micromechanical devices can be coupled to a variety of systems, for example to single electrons by electrostatic or magnetic…

Quantum Physics · Physics 2009-09-23 Simon Groeblacher , Klemens Hammerer , Michael R. Vanner , Markus Aspelmeyer

We demonstrate entanglement generation of two neutral atoms trapped inside an optical cavity. Entanglement is created from initially separable two-atom states through carving with weak photon pulses reflected from the cavity. A polarization…

Quantum Physics · Physics 2017-05-30 Stephan Welte , Bastian Hacker , Severin Daiss , Stephan Ritter , Gerhard Rempe

We investigate theoretically the generation of indistinguishable single photons from a strongly dissipative quantum system placed inside an optical cavity. The degree of indistinguishability of photons emitted by the cavity is calculated as…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Thomas Grange , Gaston Hornecker , David Hunger , Jean-Philippe Poizat , Jean-Michel Gerard , Pascale Senellart , Alexia Auffeves

Unwanted multiphoton emission commonly reduces the degree of entanglement of photons generated by non-classical light sources and, in turn, hampers their exploitation in quantum information science and technology. Quantum emitters have the…

We study optomechanical entanglement between an optical cavity field and a movable mirror coupled to a non-Markovian environment. The non-Markovian quantum state diffusion (NMQSD) approach and the non-Markovian master equation are shown to…

Quantum Physics · Physics 2016-07-22 Qingxia Mu , Xinyu Zhao , Ting Yu

Observers following special classes of finite-lifetime trajectories have been shown to experience an effective temperature, a generalisation of the Unruh temperature for uniformly accelerated observers. We consider a mirror following such a…

Quantum Physics · Physics 2020-09-03 Joshua Foo , Sho Onoe , Magdalena Zych , Timothy C. Ralph