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Title: Quantum entanglement of excitons in coupled quantum dots
Authors: Zhang, P
Chan, CK 
Xue, QK
Zhao, XG
Keywords: Quantum entanglement of excitons
Coupled quantum dots
Issue Date: 22-Jan-2003
Publisher: American Physical Society
Source: Physical review A, atomic, molecular, and optical physics, Jan. 2003, v. 67, no. 1, 012312, p. 1-8 How to cite?
Journal: Physical review A, atomic, molecular, and optical physics 
Abstract: Optically controlled exciton dynamics in coupled quantum dots is studied. We show that the maximally entangled Bell states and Greenberger-Horne-Zeilinger (GHZ) states can be robustly generated by manipulating the system parameters to be at the avoided crossings in the eigenenergy spectrum. The analysis of population transfer is systematically carried out by using a dressed-state picture. In addition to the quantum dot configuration that has been discussed by Quiroga and Johnson [Phys. Rev. Lett. 83, 2270 (1999)], we show that the GHZ states also may be produced in a ray of three quantum dots with a shorter generation time.
ISSN: 1050-2947
Rights: Physical Review A © 2003 American Physical Society. The Journal's web site is located at
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