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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 19 — Oct. 1, 2012
  • pp: 4023–4025

Correspondence between entanglement and Fano resonance of surface plasmons

Guang-Yin Chen and Yueh-Nan Chen  »View Author Affiliations

Optics Letters, Vol. 37, Issue 19, pp. 4023-4025 (2012)

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We investigate the Fano resonance of the scattering spectra in a system consisting of a metal nanowire coupled to two colloidal quantum dots. By varying the coupling strengths and the energy spacings of the quantum dot qubits, we find that both the line shapes and the presence of the Fano resonance can be controlled. Furthermore, the degree of two-qubit entanglement can vary from unity to zero when the Fano resonance occurs. This indicates that there exists correlations between the two-qubit entanglement and the Fano resonance.

© 2012 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(270.0270) Quantum optics : Quantum optics
(270.1670) Quantum optics : Coherent optical effects
(270.5580) Quantum optics : Quantum electrodynamics
(270.5585) Quantum optics : Quantum information and processing
(250.5590) Optoelectronics : Quantum-well, -wire and -dot devices

ToC Category:
Optics at Surfaces

Original Manuscript: July 20, 2012
Revised Manuscript: August 16, 2012
Manuscript Accepted: August 17, 2012
Published: September 20, 2012

Guang-Yin Chen and Yueh-Nan Chen, "Correspondence between entanglement and Fano resonance of surface plasmons," Opt. Lett. 37, 4023-4025 (2012)

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