Coherent and ultrafast manipulation of entanglement sudden death and recurrence
Optics Letters, Vol. 35, Issue 16, pp. 2744-2746 (2010)
http://dx.doi.org/10.1364/OL.35.002744
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Abstract
We investigate the entanglement dynamics of the bipartite system, consisting of two interacting two-level atoms in QED, which are driven additionally by coherent double ultrashort laser pulses characterized by various phase differences. Results show that the relative phase difference can exert significant influence on the entanglement evolution, such as delaying or accelerating entanglement sudden death and recurrence (ESD and ESR). Furthermore, with the increase of detuning, ESD and ESR disappear, irrespective of various phase differences. Our analysis is helpful in manipulating entanglement.
© 2010 Optical Society of America
OCIS Codes
(270.1670) Quantum optics : Coherent optical effects
(320.7120) Ultrafast optics : Ultrafast phenomena
(270.5585) Quantum optics : Quantum information and processing
ToC Category:
Quantum Optics
History
Original Manuscript: April 14, 2010
Revised Manuscript: July 12, 2010
Manuscript Accepted: July 16, 2010
Published: August 12, 2010
Citation
Xiang-yang Yu and Jian-hong Li, "Coherent and ultrafast manipulation of entanglement sudden death and recurrence," Opt. Lett. 35, 2744-2746 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-16-2744
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