Phase-dependent decoherence of optical transitions in Pr3+:LaF3 in the presence of a driving field

Pryde, G. J., Sellars, M. J. and Manson, N. B (2004) Phase-dependent decoherence of optical transitions in Pr3+:LaF3 in the presence of a driving field. Physical review. B, Condensed matter and materials physics, 69 7: 69 075107-1-69 075107-4. doi:10.1103/PhysRevB.69.075107

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Author Pryde, G. J.
Sellars, M. J.
Manson, N. B
Title Phase-dependent decoherence of optical transitions in Pr3+:LaF3 in the presence of a driving field
Formatted title
Phase-dependent decoherence of optical transitions in Pr3+:LaF3 in the presence of a driving field
Journal name Physical review. B, Condensed matter and materials physics   Check publisher's open access policy
ISSN 1098-0121
Publication date 2004-02-15
Sub-type Article (original research)
DOI 10.1103/PhysRevB.69.075107
Open Access Status File (Publisher version)
Volume 69
Issue 7
Start page 69 075107-1
End page 69 075107-4
Total pages 4
Editor P. D. Adams
Place of publication New York
Publisher American Physical Society
Collection year 2004
Language eng
Subject 240203 Condensed Matter Physics - Electronic and Magnetic Properties; Superconductivity
240402 Quantum Optics and Lasers
240200 Theoretical and Condensed Matter Physics
02 Physical Sciences
0204 Condensed Matter Physics
020404 Electronic and Magnetic Properties of Condensed Matter; Superconductivity
Formatted abstract
The decoherence times of orthogonally phased components of the optical transition dipole moment in a two-level system have been observed to differ by an order of magnitude. This phase anisotropy is observed in coherent transient experiments where an optical driving field is present during extended periods of decoherence.
The decoherence time of the component of the dipole moment in phase with the driving field is extended compared to T2, obtained from two-pulse photon echoes, in analogy with the spin locking technique of NMR. This is the first phase-dependent investigation of optical decoherence in the presence of a driving field.
Keyword coherence
quantum optics
two-level system
quantum information
Quantum Physics
Quantum Gate
Other Condensed Matter
Bloch Equations
Condensed Matter
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Created: Wed, 12 May 2004, 10:00:00 EST by Geoffrey J. Pryde on behalf of School of Information Technol and Elec Engineering