Transmitting continuous variable entangled states over long distances

Gaetano Nocerino; Daniela Buono; Alberto Porzio; Salvatore Solimeno

doi:10.1117/12.2017681

6 May 2013 Transmitting continuous variable entangled states over long distances

Gaetano Nocerino, Daniela Buono, Alberto Porzio, Salvatore Solimeno

Proceedings Volume 8773, Photon Counting Applications IV; and Quantum Optics and Quantum Information Transfer and Processing; 87730R (2013) https://doi.org/10.1117/12.2017681
Event: SPIE Optics + Optoelectronics, 2013, Prague, Czech Republic

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).

Citation Download Citation

Gaetano Nocerino, Daniela Buono, Alberto Porzio, and Salvatore Solimeno "Transmitting continuous variable entangled states over long distances", Proc. SPIE 8773, Photon Counting Applications IV; and Quantum Optics and Quantum Information Transfer and Processing, 87730R (6 May 2013); https://doi.org/10.1117/12.2017681

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