Physics – Quantum Physics
Scientific paper
2002-05-13
Fortschr. Phys. 51, 469 (2003)
Physics
Quantum Physics
5 pages. 4 eps files. Use fortschritte.sty (included)
Scientific paper
10.1002/prop.200310064
We consider the problem of obtaining maximally entangled photon states at distance in the presence of loss. We compare the efficiency of two different schemes in establishing $N$ shared ebits: i) $N$ single ebit states with the qubit encoded on polarization; ii) a single continuous variable entangled state (emode) assisted by optimal local operation and classical communication (LOCC) protocol in order to obtain a $2^N$-dimensional maximally entangled state, with qubits encoded on the photon number.
D'Ariano Giacomo M.
Sacchi Massimiliano Federico
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