Quantum interference effects in a cavity QED system

Akram, U. and Ficek, Z. (2003) Quantum interference effects in a cavity QED system. Journal of Optics B: Quantum and Semiclassical Optics, 5 4: 330-340. doi:10.1088/1464-4266/5/4/302

Author Akram, U.
Ficek, Z.
Title Quantum interference effects in a cavity QED system
Journal name Journal of Optics B: Quantum and Semiclassical Optics   Check publisher's open access policy
ISSN 1464-4266
Publication date 2003-08-01
Sub-type Article (original research)
DOI 10.1088/1464-4266/5/4/302
Open Access Status
Volume 5
Issue 4
Start page 330
End page 340
Total pages 11
Editor E. Arimondo
Place of publication Bristol, England
Publisher IOP Publishing
Language eng
Subject C1
240402 Quantum Optics and Lasers
780102 Physical sciences
Abstract We consider the effect of quantum interference on population distribution and photon statistics of a cavity field interacting with dressed states of a strongly driven three-level atom. We analyse three coupling configurations of the cavity field to the driven atom, with the cavity frequency tuned to the outer Rabi sideband, the inner Rabi sideband and the central frequency of the 'singly dressed' three-level atom. The quantum doubly dressed states for each configuration are identified and the population distribution and photon statistics are interpreted in terms of transitions among these dressed states and their populations. We find that the population distribution depends strongly on quantum interference and the cavity damping. For the cavity field tuned to the outer or inner Rabi sidebands the cavity damping induces transitions between the dressed states which are forbidden for the ordinary spontaneous emission. Moreover, we find that in the case of the cavity field coupled to the inner Rabi sideband the population distribution is almost Poissonian with a large average number of photons that can be controlled by quantum interference. This system can be considered as a one-atom dressed-state laser with controlled intensity.
Keyword Physics, Applied
Quantum Interference
Cavity Qed
Dressed States
Photon Statistics
Dark States
Electromagnetically Induced Transparency
Resonance Fluorescence-spectrum
Inhibited Spontaneous Emission
Atomic Population-inversion
Squeezed Vacuum
2-level Atom
Optical Cavity
3-level Atom
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 12:05:04 EST