Acta Optica Sinica, Volume. 42, Issue 3, 0327014(2022)
Performance of Collective Measurement to Estimate Quantum Coherence
Fig. 1. Simulation results of effect of detection efficiency on coherence estimation error of qubit. (a) Error in l1norm coherence estimation with detection efficiency of 90%; (b) error in l1norm coherence estimation with detection efficiency of 60%; (c) difference of l1norm coherence estimation error for different detection efficiency; (d) effect of detection efficiency on relative entropy coherence estimation error
Fig. 2. Simulation results of effect of detection efficiency on coherence estimation error of qutrit
Fig. 3. Simulation results of coherence estimation error varying with resource number obtained by different measurement schemes. (a) Estimation error of l1 norm coherence of qubit state with θ=15°; (b) estimation error of relative entropy coherence of qubit state with θ=30°
Fig. 4. Simulation results of effect of change in resource number on l1 norm coherence estimation error of qutrit
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Yuan Yuan, Yueping Niu, Shangqing Gong, Guoyong Xiang. Performance of Collective Measurement to Estimate Quantum Coherence[J]. Acta Optica Sinica, 2022, 42(3): 0327014
Category: Quantum Optics
Received: Sep. 1, 2021
Accepted: Dec. 20, 2021
Published Online: Jan. 24, 2022
The Author Email: Xiang Guoyong (gyxiang@ustc.edu.cn)