Wednesday, 07 November, 2007
Generation of Symmetric Dicke States of Remote Qubits with Linear Optics
C. Thiel, J. von Zanthier, T. Bastin, E. Solano, and G. S. Agarwal -
Phys. Rev. Lett. 99, 193602 (2007)
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.