Towards experimental entanglement connection with atomic ensembles in the single excitation regime

被引：32

作者：

Laurat, Julien ^{[1
]}

Chou, Chin-wen ^{[1
]}

Deng, Hui ^{[1
]}

Choi, Kyung Soo ^{[1
]}

Felinto, Daniel ^{[1
]}

de Riedmatten, Hugues ^{[1
]}

Kimble, H. J. ^{[1
]}

机构：

[1] CALTECH, Norman Bridge Lab Phys 12 33, Pasadena, CA 91125 USA

来源：

NEW JOURNAL OF PHYSICS | 2007年 / 9卷

关键词：

D O I：

10.1088/1367-2630/9/6/207

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a protocol for performing entanglement connection between pairs of atomic ensembles in the single excitation regime. Two pairs are prepared in an asynchronous fashion and then connected via a Bell measurement. The resulting state of the two remaining ensembles is mapped to photonic modes and a reduced density matrix is then reconstructed. Our observations confirm for the first time the creation of coherence between atomic systems that never interacted, a first step towards entanglement connection, a critical requirement for quantum networking and long distance quantum communications.

引用

页数：14

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