Generation of symmetric dicke states of remote qubits with linear optics

被引：77

作者：

Thiel, C. ^{[1
]}

von Zanthier, J.

Bastin, T.

Solano, E.

Agarwal, G. S.

机构：

[1] Univ Erlangen Nurnberg, Max Planck Forchungsgrp, Inst Opt Informat & Photon, D-91058 Erlangen, Germany

[2] Univ Liege, Inst Phys Nucl Atom & Spect, B-4000 Cointe Ougree, Belgium

[3] Univ Munich, Dept Phys, ASC, D-80333 Munich, Germany

[4] Univ Munich, CeNS, D-80333 Munich, Germany

[5] Pontificia Univ Catolica Peru, Dept Ciencias, Secc Fis, Lima 1761, Peru

[6] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.99.193602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We propose a method for generating all symmetric Dicke states, either in the long-lived internal levels of N massive particles or in the polarization degrees of freedom of photonic qubits, using linear optical tools only. By means of a suitable multiphoton detection technique, erasing Welcher-Weg information, our proposed scheme allows the generation and measurement of an important class of entangled multiqubit states.

引用

页数：4

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