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Maimaiti, W; Li, Z; Chesi, S; Wang, YD; Wang, YD (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Entanglement concentration with strong projective measurement in an optomechanical system
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
Language英语
KeywordOptomechanics Entanglement Concentration Quantum Measurement Optomechanical Entanglement
AbstractIn this work, we study an entanglement concentration scheme in a 3-mode optomechanical system. The scheme is based on phonon counting measurements, which can be performed through photon counting of an auxiliary cavity connected to the mechanical resonator. The amount of entanglement between the two cavity output modes is found to increase logarithmically with the number of detected phonons ( photons). Such an entanglement concentration scheme is deterministic since, independently of the number of detected phonons ( photons), the measurement always leads to an increase in output entanglement. Besides numerical simulations, we provide analytical results and physical insight for the improved entanglement and the concentration efficiency.
2015
Volume58Issue:5Pages:50309
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1007/s11433-015-5657-8
Indexed BySCI
Funding OrganizationChinese Youth 1000 Talents Program ; Chinese Youth 1000 Talents Program ; Chinese Youth 1000 Talents Program ; Chinese Youth 1000 Talents Program ; National Natural Science Foundation of China [11434011] ; National Natural Science Foundation of China [11434011] ; National Natural Science Foundation of China [11434011] ; National Natural Science Foundation of China [11434011]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21018
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWang, YD (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Maimaiti, W,Li, Z,Chesi, S,et al. Entanglement concentration with strong projective measurement in an optomechanical system[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2015,58(5):50309.
APA Maimaiti, W,Li, Z,Chesi, S,Wang, YD,&Wang, YD .(2015).Entanglement concentration with strong projective measurement in an optomechanical system.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,58(5),50309.
MLA Maimaiti, W,et al."Entanglement concentration with strong projective measurement in an optomechanical system".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 58.5(2015):50309.
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