NEW HIGH-INTENSITY SOURCE OF POLARIZATION-ENTANGLED PHOTON PAIRS

被引：2482

作者：

KWIAT, PG

MATTLE, K

WEINFURTER, H

ZEILINGER, A

SERGIENKO, AV

SHIH, YH

机构：

[1] UNIV INNSBRUCK, INST PHYS EXPTL, A-6020 INNSBRUCK, AUSTRIA

[2] UNIV MARYLAND, DEPT PHYS, BALTIMORE, MD 21228 USA

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.75.4337

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on a high-intensity source-of polarization-entangled photon pairs with high momentum definition. Type-II noncollinear phase matching in parametric down conversion produces true entanglement: No part of the wave function must be discarded, in contrast to previous schemes. With two-photon fringe visibilities in excess of 97%, we demonstrated a violation of Bell's inequality by over 100 standard deviations in less than 5 min. The new source allowed ready preparation of all four of the EPR-Bell states.

引用

页码：4337 / 4341

页数：5

共 38 条

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