Complete entanglement analysis on electron spins using quantum dot and microcavity coupled system

We present an entanglement analysis protocol on entangled electron spins using quantum dot（QD） and microcavity coupled system.Each quantum dot is placed in the microcavity and ancilla photon input-output process could be used to check the parity of the quantum dots. After the parity check process, t...

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Bibliographic Details
Published in:Science China. Physics, mechanics & astronomy mechanics & astronomy, 2013-11, Vol.56 (11), p.2054-2058
Main Authors: Wang, Chuan, He, LingYan, Zhang, Yong, Ma, HaiQiang, Zhang, Ru
Format: Article
Language:English
Subjects:
Astronomy
Classical and Continuum Physics
Electron spin
Entanglement
Feasibility
Microcavities
Observations and Techniques
Parity
Photons
Physics
Physics and Astronomy
Quantum dots
奇偶校验
微腔
电子
纠缠
耦合系统
自旋
输出过程
量子点
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Description
Summary:We present an entanglement analysis protocol on entangled electron spins using quantum dot（QD） and microcavity coupled system.Each quantum dot is placed in the microcavity and ancilla photon input-output process could be used to check the parity of the quantum dots. After the parity check process, the user only needs to measure the spin direction of the QD spin, and the state information can be readout completely. The feasibility of our scheme and the experimental challenge are discussed by considering currently available techniques.
ISSN:1674-7348
1869-1927
DOI:10.1007/s11433-013-5293-0