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arXiv 2409.16072quant-ph
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在基于光子扣除的连续变量量子隐形传态中比较开关探测器与单光子探测器

Comparing on-off detector and single photon detector in photon subtraction based continuous variable quantum teleportation

Chandan Kumar, Karunesh K. Mishra, Sibasish Ghosh

AI总结:

研究比较了单光子探测器与开关探测器在双模压缩真空态光子扣除及连续变量量子隐形传态中的表现,以成功概率与保真度增强的乘积为品质因数,结果表明单光子探测器更优。

摘要:

我们在此考虑两种不同的光子探测器,即单光子探测器与开关探测器,以对双模压缩真空(TMSV)态执行光子扣除。生成的两种不同光子扣除TMSV态分别被用作连续变量量子隐形传态中的资源态。由于这两种生成的态具有不同的(光子扣除)成功概率与(量子隐形传态)保真度,我们将成功概率与保真度增强的乘积作为比较这两种探测器的品质因数。结果表明,为了使所考虑的品质因数最大化,应优先选用单光子探测器而非开关探测器。

英文摘要:

We consider here two distinct photon detectors namely, single photon detector and on-off detector, to implement photon subtraction on a two-mode squeezed vacuum (TMSV) state. The two distinct photon subtracted TMSV states generated are utilized individually as resource states in continuous variable quantum teleportation. Owing to the fact that the two generated states have different success probabilities (of photon subtraction) and fidelities (of quantum teleportation), we consider the product of the success probability and fidelity enhancement as a figure of merit for the comparison of the two detectors. The results show that the single photon detector should be preferred over the on-off detector for the maximization of the considered figure of merit.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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