Quasideterministic generation of maximally entangled states of two mesoscopic atomic ensembles by adiabatic quantum feedback

Journal Article · Thu Sep 15 00:00:00 EDT 2005 · Physical Review. A

DOI:https://doi.org/10.1103/PhysRevA.72.032328· OSTI ID:20718514

Di Lisi, Antonio; De Siena, Silvio; Illuminati, Fabrizio ^[1]; Vitali, David ^[2]

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1. Dipartimento di Fisica 'E. R. Caianiello', Universita di Salerno, INFM-Coherentia, and INFN Sezione di Napoli, Gruppo collegato di Salerno, Via S. Allende, I-84081 Baronissi, SA (Italy)
2. Dipartimento di Fisica, Universita di Camerino, I-62032 Camerino, MC (Italy)

We introduce an efficient, quasideterministic scheme to generate maximally entangled states of two atomic ensembles. The scheme is based on quantum nondemolition measurements of total atomic populations and on adiabatic quantum feedback conditioned by the measurements outputs. The high efficiency of the scheme is tested and confirmed numerically for ideal photodetection as well as in the presence of losses.

• OSTI ID: 20718514
• Journal Information: Physical Review. A, Vol. 72, Issue 3; Other Information: DOI: 10.1103/PhysRevA.72.032328; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
DATA TRANSMISSION
EFFICIENCY
ENERGY LEVELS
FEEDBACK
QUANTUM ENTANGLEMENT
QUANTUM MECHANICS