Temporal indistinguishability and quantum interference

被引：0

作者：

Kim, Yoon-Ho ^{[1
]}

Berardi, Vincenzo ^{[1
,2
]}

Chekhova, Maria V. ^{[1
,3
]}

Garuccio, Augusto ^{[1
,2
]}

Shih, Yanhua ^{[1
]}

机构：

[1] Department of Physics, Univ. of Maryland, Baltimore County, Baltimore, MD 21250, United States

[2] INFM-Dipto. Interateneo di Fisica, University of Bari, Bari, Italy

[3] Department of Physics, Moscow State University, Moscow, Russia

来源：

Physical Review A - Atomic, Molecular, and Optical Physics | 2000年 / 62卷 / 04期

关键词：

Crystals - Interferometers - Laser pulses - Light interference - Light polarization - Nonlinear optics - Optical beam splitters - Optical filters - Optical pumping - Photons - Probability - Vectors;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The authors have studied first-order and second-order interference under the experimental situation in which interference is not expected by the classical theory. The experimental data and theoretical description clearly demonstrate that first-order and second-order interference are of different origins, namely, indistinguishability of one-photon and two-photon amplitudes, respectively. The signature of entanglement is still present even though one studies a subsystem only. This is important because the nonlocal aspect of the entangled two-photon state is still observed, although only a subsystem is measured.

引用

页码：043820 / 043821

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