One-step deterministic polarization-entanglement purification using spatial entanglement

We present a one-step deterministic entanglement purification protocol with linear optics and postselection. Compared with the Simon-Pan protocol [C. Simon and J. W. Pan, Phys. Rev. Lett. 89, 257901 (2002)], this one-step protocol has some advantages. First, it can obtain a maximally entangled pair...

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Veröffentlicht in:	Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2010-10, Vol.82 (4), Article 044305
Hauptverfasser:	Sheng, Yu-Bo, Deng, Fu-Guo
Format:	Artikel
Sprache:	eng
Schlagworte:	BOSONS CALCULATION METHODS CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COMMUNICATIONS DATA TRANSMISSION ELEMENTARY PARTICLES MASSLESS PARTICLES MECHANICS OPTICS PHOTONS POLARIZATION PROBABILISTIC ESTIMATION PURE STATES PURIFICATION QUANTUM ENTANGLEMENT QUANTUM MECHANICS QUANTUM STATES
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