Generation of an entangled four-photon W state -: art. no. 044302

被引：0

作者：

Zou, XB ^{[1
]}

Pahlke, K ^{[1
]}

Mathis, W ^{[1
]}

机构：

[1] Leibniz Univ Hannover, Dept Elect Engn, THT, Electromagnet Theory Grp, D-30167 Hannover, Germany

来源：

PHYSICAL REVIEW A | 2002年 / 66卷 / 04期

关键词：

D O I：

暂无

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a scheme to produce an entangled four-photon W state by using linear optical elements. The symmetrical setup of linear optical elements consists of four beam splitters, four polarization beam splitters, and four mirrors. A photon Einstein-Podolsky-Rosen pair and two single photons are required as the input modes. The projection on the W state can be made by a four-photon coincidence measurement. Further, we show that by means of a horizontally oriented polarizer in front of one detector, the W state of three photons can be generated.

引用

页数：3

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