通过辐射压力产生光物质单向转向

IF 1.5 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS Modern Physics Letters A Pub Date : 2024-02-09 DOI:10.1142/s021773232450007x
J. E. Qars
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引用次数: 0

摘要

爱因斯坦-波多尔斯基-罗森(Einstein-Podolsky-Rosen)转向是一种不可分割的量子关联形式,具有固有的非对称特性,即单向转向。在本文中,我们展示了可以有效利用辐射压力效应,在光腔模式和机械模式之间产生静态高斯量子转向。光学模式由一个蓝色调谐激光器在非解析边带机制下驱动。在现实的实验条件下,我们证明了在所考虑的两种模式之间可以产生强烈的非对称转向。此外,我们还展示了单向转向的方向可以通过改变当前系统的物理参数(耦合、耗散和失谐)来控制。此外,我们还讨论了如何通过实验估算所产生的转向。所展示的光机械转向可能对非对称量子信息任务具有实际意义,例如与设备无关的单边量子密钥分发和量子远距传输。
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Generating light-matter one-way steering via radiation pressure
Einstein–Podolsky–Rosen steering is a form of inseparable quantum correlations that exhibits an inherent asymmetric property, i.e. one-way steering. In this paper, we show that the radiation pressure effect can be profitably exploited to generate stationary Gaussian quantum steering between an optical cavity mode and a mechanical mode. The optical mode is driven by a blue-detuned laser within the unresolved sideband regime. Under realistic experimental conditions, we show that strong asymmetric steering can be generated between the two considered modes. Besides, we show that the direction of one-way steering can be controlled by varying the physical parameters of the system at hand (coupling, dissipation, and detuning). Also, we discuss how the generated steering can be estimated experimentally. The demonstrated optomechanical steering may have practical implications for asymmetric quantum information tasks, e.g. one-sided device-independent quantum key distribution and quantum teleportation.
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来源期刊
Modern Physics Letters A
Modern Physics Letters A 物理-物理:核物理
CiteScore
3.10
自引率
7.10%
发文量
186
审稿时长
3 months
期刊介绍: This letters journal, launched in 1986, consists of research papers covering current research developments in Gravitation, Cosmology, Astrophysics, Nuclear Physics, Particles and Fields, Accelerator physics, and Quantum Information. A Brief Review section has also been initiated with the purpose of publishing short reports on the latest experimental findings and urgent new theoretical developments.
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