Experimental entanglement swapping: Entangling photons that never interacted

被引：1090

作者：

Pan, JW ^{[1
]}

Bouwmeester, D ^{[1
]}

Weinfurter, H ^{[1
]}

Zeilinger, A ^{[1
]}

机构：

[1] Univ Innsbruck, Inst Expt Phys, A-6020 Innsbruck, Austria

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.80.3891

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We experimentally entangle freely propagating particles that never physically interacted with one another or which have never been dynamically coupled by any other means. This demonstrates that quantum entanglement requires the entangled particles neither to come from a common source nor to have interacted in the past. In our experiment we take two pairs of polarization entangled photons and subject one photon from each pair to a Bell-state measurement. This results in projecting the other two outgoing photons into an entangled state.

引用

页码：3891 / 3894

页数：4

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