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Optical Mode Entanglement Generation from an Optomechanical Nanobeam

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摘要 Nano-optomechanical systems,capable of supporting enhanced light-matter interactions,have wide applications in studying quantum entanglement and quantum information processors.Yet,preparing optical telecomband entanglement within a single optomechanical nanobeam remains blank.We propose and design a triply resonant optomechanical nanobeam to generate steady-state entangled propagating optical modes and present its quantum-enhanced performance for teleportation-based quantum state transfer under realistic conditions.Remarkably,the entanglement quantified by logarithmic negativity can obtain E_(N)=1.Furthermore,with structural imperfections induced by realistic fabrication processes considered,the device still shows great robustness.Together with quantum interfaces between mechanical motion and solid-state qubit processors,the proposed device potentially paves the way for versatile nodes in long-distance quantum networks.
作者 Qi-Zhi Cai Bo-Yu Fan Yun-Ru Fan Guang-Wei Deng You Wang Hai-Zhi Song Guang-Can Guo Qiang Zhou 蔡淇智;樊博宇;范云茹;邓光伟;王浟;宋海智;郭光灿;周强(Institute of Fundamental and Frontier Sciences,University of Electronic Science and Technology of China,Chengdu 611731,China;Center for Quantum Internet,Tianfu Jiangxi Laboratory,Chengdu 641419,China;Key Laboratory of Quantum Physics and Photonic Quantum Information(Ministry of Education),University of Electronic Science and Technology of China,Chengdu 611731,China;Southwest Institute of Technical Physics,Chengdu 610041,China;CAS Key Laboratory of Quantum Information,University of Science and Technology of China,Hefei 230026,China;Jiangxi Research Institute,University of Electronic Science and Technology of China,Chengdu 641419,China)
出处 《Chinese Physics Letters》 SCIE EI CAS CSCD 2024年第11期62-76,共15页 中国物理快报(英文版)
基金 supported by the Sichuan Science and Technology Program(Grant Nos.2022YFSY0061,2022YFSY0062,2022YFSY0063,2023YFSY0060,2023YFSY0058,and 2023YFSY0059) the National Key Research and Development Program of China(Grant No.2022YFA1405900) the National Natural Science Foundation of China(Grant Nos.92365106,62005039,91836102,U19A2076,12074058,and 62174010) the Innovation Program for Quantum Science and Technology(Grant Nos.2021ZD0300701 and 2021ZD0301702)。
关键词 QUANTUM BEAM PREPARING

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