Generation of Symmetric Dicke States of Remote Qubits with Linear Optics
C. Thiel, Joachim von Zanthier, Thierry Bastin +2 more
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.
arXiv:quant-ph/0703137•Physical Review Letters•Nov 7, 2007•88 citations