压缩真空场增强光-力耦合系统的量子纠缠和EPR导向

IF 1.8 4区 物理与天体物理 Q3 OPTICS Journal of The Optical Society of America B-optical Physics Pub Date : 2023-10-16 DOI:10.1364/josab.495520
Shao-Xiong Wu, Cheng-Hua Bai, Gang Li, Chang-Shui Yu, Tiancai Zhang
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引用次数: 0

摘要

量子纠缠和Einstein-Podolsky-Rosen (EPR)导向是量子信息处理中的宝贵资源。研究了在弱压缩真空场作用下,如何增强光机耦合系统的量子纠缠和EPR转向。与真空环境相互作用相比,施加压缩真空场时,系统的量子纠缠和EPR转向更强。大程度的压缩真空场不利于增强量子纠缠和EPR导向。在该模型中起关键作用的不是压缩真空场的压缩参数,而是参考相。
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Enhancing the quantum entanglement and EPR steering of a coupled optomechanical system with a squeezed vacuum field
Quantum entanglement and Einstein-Podolsky-Rosen (EPR) steering are valuable resources in quantum information processing. How to enhance the quantum entanglement and EPR steering of coupled optomechanical systems with a weak squeezed vacuum field are studied when the displacement of detuning induced by the mechanical mode is considered. Compared with the condition that the system interacts with a vacuum environment, the quantum entanglement and EPR steering are stronger when the squeezed vacuum field is applied. A squeezed vacuum field with a large degree is not beneficial to enhance the quantum entanglement and EPR steering. Rather than the squeezing parameter of the squeezed vacuum field, the reference phase plays a vital role in this model.
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来源期刊
CiteScore
4.00
自引率
5.30%
发文量
374
审稿时长
2.1 months
期刊介绍: The Journal of the Optical Society of America B (JOSA B) is a general optics research journal that complements JOSA A. It emphasizes scientific research on the fundamentals of the interaction of light with matter such as quantum optics, nonlinear optics, and laser physics. Topics include: Advanced Instrumentation and Measurements Fiber Optics and Fiber Lasers Lasers and Other Light Sources from THz to XUV Light-Induced Phenomena Nonlinear and High Field Optics Optical Materials Optics Modes and Structured Light Optomechanics Metamaterials Nanomaterials Photonics and Semiconductor Optics Physical Optics Plasmonics Quantum Optics and Entanglement Quantum Key Distribution Spectroscopy and Atomic or Molecular Optics Superresolution and Advanced Imaging Surface Optics Ultrafast Optical Phenomena Wave Guiding and Optical Confinement JOSA B considers original research articles, feature issue contributions, invited reviews and tutorials, and comments on published articles.
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