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Proceedings Paper

Transmitting continuous variable entangled states over long distances
Author(s): Gaetano Nocerino; Daniela Buono; Alberto Porzio; Salvatore Solimeno
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Paper Abstract

Recently, we experimentally proved that, even in presence of strong decoherence, the bi—partite continuous variable entangled state generated by a sub—threshold type—II optical parametric oscillator (OPO) never disentangles. It keeps breaking the limits for some of the entanglement criteria. In this contribution, we extend our previous analysis by focusing on the behaviour, under decohenrece, of two entanglement measures: Logarithmic Negativity (LN) and Entanglement of Formation (EOF).

Paper Details

Date Published: 6 May 2013
PDF: 8 pages
Proc. SPIE 8773, Photon Counting Applications IV; and Quantum Optics and Quantum Information Transfer and Processing, 87730R (6 May 2013); doi: 10.1117/12.2017681
Show Author Affiliations
Gaetano Nocerino, Univ. degli Studi di Salerno (Italy)
Daniela Buono, Univ. degli Studi di Salerno (Italy)
Alberto Porzio, CNR, SPIN, Complesso Univ. (Italy)
Salvatore Solimeno, Univ. degli Studi di Napoli Federico II (Italy)


Published in SPIE Proceedings Vol. 8773:
Photon Counting Applications IV; and Quantum Optics and Quantum Information Transfer and Processing
Jaromír Fiurásek; Ivan Prochazka; Roman Sobolewski, Editor(s)

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