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- Title
Generation and stabilization of entanglement in a cascaded atoms-cavity system.
- Authors
Xie, Min; Wu, Fangzhou; Wu, Peng; Yang, Guojian
- 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 $$\left| \varPhi _{+}\right\rangle $$ 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.
- Subjects
CASCADES (Fluid dynamics); HOMODYNE detection; FEEDBACK control systems; STEADY-state flow; PARAMETER estimation
- Publication
Quantum Information Processing, 2015, Vol 14, Issue 7, p2477
- ISSN
1570-0755
- Publication type
Article
- DOI
10.1007/s11128-015-1010-4