Creating number states in the micromaser using feedback

Liebman, Ariel and Milburn, G. J. (1995) Creating number states in the micromaser using feedback. Physical Review a, 51 1: 736-751. doi:10.1103/PhysRevA.51.736

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Author Liebman, Ariel
Milburn, G. J.
Title Creating number states in the micromaser using feedback
Journal name Physical Review a   Check publisher's open access policy
ISSN 1050-2947
1094-1622
Publication date 1995-01
Sub-type Article (original research)
DOI 10.1103/PhysRevA.51.736
Open Access Status File (Publisher version)
Volume 51
Issue 1
Start page 736
End page 751
Total pages 16
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract We use the quantum theory of feedback developed by Wiseman and Milburn [Phys. Rev. Lett. 70, 548 (1993)] and Wiseman [Phys. Rev. A 49, 2133 (1994)] to investigate the photon-number noise properties of the micromaser with direct detection feedback. We find that the feedback can significantly reduce the amount of noise in the photon number. Under the right conditions the feedback locks the systems onto a number state. As opposed to other schemes in the past [P. Meystre, Opt. Lett. 12, 669 (1987); J. Krause, M. O. Scully, and H. Walther, Phys. Rev. A 36, 4547 (1987)], we can fix the number states to which the system evolves. We also simulate the micromaser using the quantum-trajectories method and show that these results agree with the quantum theory of feedback. We show that the noise of quantum island states [P. Bogar, J. A. Bergou, and M. Hillary, Phys. Rev. A 50, 754 (1994)] can be significantly reduced by the feedback.
Keyword Quantum Optics
Systems
Model
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Engineering Publications
 
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