Photon-number resolution using time-multiplexed single-photon detectors

被引：282

作者：

Fitch, MJ ^{[1
]}

Jacobs, BC ^{[1
]}

Pittman, TB ^{[1
]}

Franson, JD ^{[1
]}

机构：

[1] Johns Hopkins Univ, Appl Phys Lab, Laurel, MD 20723 USA

来源：

PHYSICAL REVIEW A | 2003年 / 68卷 / 04期

关键词：

D O I：

10.1103/PhysRevA.68.043814

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Photon-number-resolving detectors are needed for a variety of applications including linear-optics quantum computing. Here we describe the use of time-multiplexing techniques that allow ordinary single-photon detectors, such as silicon avalanche photodiodes, to be used as photon-number-resolving detectors. The ability of such a detector to correctly measure the number of photons for an incident number state is analyzed. The predicted results for an incident coherent state are found to be in good agreement with the results of a proof-of-principle experimental demonstration.

引用

页数：6

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