Quantum Illumination with Noiseless Linear Amplifier
ZHANG Sheng-Li, WANG-Kun** , GUO Jian-Sheng, SHI Jian-Hong
The PLA Information Engineering University, Zhengzhou 450004
Abstract ：Quantum illumination, that is, quantum target detection, is to detect the potential target with two-mode quantum entangled state. For a given transmitted energy, the quantum illumination can achieve a target-detection probability of error much lower than the illumination scheme without entanglement. We investigate the usefulness of noiseless linear amplification (NLA) for quantum illumination. Our result shows that NLA can help to substantially reduce the number of quantum entangled states collected for joint measurement of multi-copy quantum state. Our analysis on the NLA-assisted scheme could help to develop more efficient schemes for quantum illumination.
收稿日期: 2015-03-27
出版日期: 2015-10-02
:
03.67.Bg
(Entanglement production and manipulation)
42.50.Ex
(Optical implementations of quantum information processing and transfer)
03.67.Hk
(Quantum communication)
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2015, Vol. 32 
