Delayed-choice test of quantum complementarity with interfering single photons

Vincent Jacques; E. Wu; Frédéric Grosshans; François Treussart; Philippe Grangier; Alain Aspect; Jean François Roch

doi:10.1103/PhysRevLett.100.220402

Delayed-choice test of quantum complementarity with interfering single photons

Vincent Jacques^*
, E. Wu
, Frédéric Grosshans
, François Treussart
, Philippe Grangier
, Alain Aspect
, Jean François Roch

^*此作品的通讯作者

科研成果: 期刊稿件 › 文章 › 同行评审

137 引用（Scopus）

摘要

We report an experimental test of quantum complementarity with single-photon pulses sent into a Mach-Zehnder interferometer with an output beam splitter of adjustable reflection coefficient R. In addition, the experiment is realized in Wheeler's delayed-choice regime. Each randomly set value of R allows us to observe interference with visibility V and to obtain incomplete which-path information characterized by the distinguishability parameter D. Measured values of V and D are found to fulfill the complementarity relation V2+D2≤1.

源语言	英语
文章编号	220402
期刊	Physical Review Letters
卷	100
期	22
DOI	https://doi.org/10.1103/PhysRevLett.100.220402
出版状态	已出版 - 4 6月 2008
已对外发布	是

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AU - Jacques, Vincent

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AU - Grosshans, Frédéric

AU - Treussart, François

AU - Grangier, Philippe

AU - Aspect, Alain

AU - Roch, Jean François

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N2 - We report an experimental test of quantum complementarity with single-photon pulses sent into a Mach-Zehnder interferometer with an output beam splitter of adjustable reflection coefficient R. In addition, the experiment is realized in Wheeler's delayed-choice regime. Each randomly set value of R allows us to observe interference with visibility V and to obtain incomplete which-path information characterized by the distinguishability parameter D. Measured values of V and D are found to fulfill the complementarity relation V2+D2≤1.

AB - We report an experimental test of quantum complementarity with single-photon pulses sent into a Mach-Zehnder interferometer with an output beam splitter of adjustable reflection coefficient R. In addition, the experiment is realized in Wheeler's delayed-choice regime. Each randomly set value of R allows us to observe interference with visibility V and to obtain incomplete which-path information characterized by the distinguishability parameter D. Measured values of V and D are found to fulfill the complementarity relation V2+D2≤1.

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Delayed-choice test of quantum complementarity with interfering single photons

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