# Generation and stabilization of entanglement in a cascaded atoms–cavity system

Generation and stabilization of entanglement in a cascaded atoms–cavity system We discuss the generation and stabilization of entanglement between two distant atoms in a driven cascaded two-cavity system with homodyne-based feedback control. As the scheme works freely, the two atoms can fall into a steady state close to the Bell state $$\left| \varPhi _{+}\right\rangle$$ Φ + with an amount of entanglement inverse to its decay rate in a narrow parameter region. The homodyne feedback enlarges this region and makes the system robust against the unexpected imperfections. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

# Generation and stabilization of entanglement in a cascaded atoms–cavity system

, Volume 14 (7) – May 7, 2015
9 pages

Publisher
Springer Journals
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-015-1010-4
Publisher site
See Article on Publisher Site

### Abstract

We discuss the generation and stabilization of entanglement between two distant atoms in a driven cascaded two-cavity system with homodyne-based feedback control. As the scheme works freely, the two atoms can fall into a steady state close to the Bell state $$\left| \varPhi _{+}\right\rangle$$ Φ + with an amount of entanglement inverse to its decay rate in a narrow parameter region. The homodyne feedback enlarges this region and makes the system robust against the unexpected imperfections.

### Journal

Quantum Information ProcessingSpringer Journals

Published: May 7, 2015

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