• Rapid Communication

Stabilizing entanglement by quantum-jump-based feedback

A. R. R. Carvalho and J. J. Hope
Phys. Rev. A 76, 010301(R) – Published 11 July 2007

Abstract

We show that direct feedback based on quantum-jump detection can be used to generate entangled steady states. We present a strategy that is insensitive to detection inefficiencies and robust against errors in the control Hamiltonian. This feedback procedure is also shown to overcome spontaneous emission effects by stabilizing states with a high degree of entanglement.

  • Figure
  • Figure
  • Figure
  • Figure
  • Received 7 January 2007

DOI:https://doi.org/10.1103/PhysRevA.76.010301

©2007 American Physical Society

Authors & Affiliations

A. R. R. Carvalho

  • Department of Physics, Faculty of Science, The Australian National University, Australian Capital Territory 0200, Australia

J. J. Hope

  • Australian Centre for Quantum-Atom Optics, Department of Physics, Faculty of Science, The Australian National University, Australian Capital Territory 0200, Australia

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 76, Iss. 1 — July 2007

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review A

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×