Generation of Symmetric Dicke States of Remote Qubits with Linear Optics

Details Generation of Symmetric Dicke States of Remote Qubits with Linear Optics Generation of Symmetric Dicke States of Remote Qubits with Linear Optics

2007-03-15

arxiv.org/abs/quant-ph/0703137v2

Phys. Rev. Lett. 99, 193602 (2007)

Physics

Quantum Physics

New version, a few modifications and a new figure, accepted in Physical Review Letters

Scientific paper

10.1103/PhysRevLett.99.193602

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.

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