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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 4 — Apr. 1, 2013
  • pp: 868–873

Fano correlation effect of optical response due to plasmon–exciton–plasmon interaction in an artificial hybrid molecule system

Yong He and Ka-Di Zhu  »View Author Affiliations


JOSA B, Vol. 30, Issue 4, pp. 868-873 (2013)
http://dx.doi.org/10.1364/JOSAB.30.000868


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Abstract

We theoretically study the coupling of a semiconductor quantum dot (QD) to two metal nanoparticles (MNPs) based on cavity quantum electrodynamics and canonical transformation. It is shown that a Fano correlation effect shown in the energy absorption spectrum of this hybrid molecule appears, which stems from two correlated Fano interference processes because the two MNPs share a common segment of optical pathway involving QD as a result of the plasmon–exciton–plasmon interaction. The results also demonstrate that it is feasible to change the energy absorption of one MNP by adjusting the position of the other MNP, which may be potentially applied in plasmonic light trapping of MNPs in photovoltaic devices. Our work will open an avenue to deal with the coupling of QDs to a few MNPs in the quantum regime.

© 2013 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(270.0270) Quantum optics : Quantum optics

ToC Category:
Quantum Optics

History
Original Manuscript: November 6, 2012
Revised Manuscript: January 9, 2013
Manuscript Accepted: January 19, 2013
Published: March 12, 2013

Citation
Yong He and Ka-Di Zhu, "Fano correlation effect of optical response due to plasmon–exciton–plasmon interaction in an artificial hybrid molecule system," J. Opt. Soc. Am. B 30, 868-873 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-4-868

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