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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 14 — Jul. 15, 2012
  • pp: 2943–2945

Optical determination of vacuum Rabi splitting in a semiconductor quantum dot induced by a metal nanoparticle

Yong He, Cheng Jiang, Bin Chen, Jin-Jin Li, and Ka-Di Zhu  »View Author Affiliations

Optics Letters, Vol. 37, Issue 14, pp. 2943-2945 (2012)

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We propose a theoretical scheme to determine the vacuum Rabi splitting in a single semiconductor quantum dot (SQD) induced by a metal nanoparticle (MNP). Based on cavity quantum electrodynamics, the exciton–plasmon interaction between the SQD and the MNP is considered while a strong pump laser and a weak probe laser are simultaneously presented. By decreasing the distance between them, we can increase the coupling strength. At resonance, thanks to the strong coupling, a vacuum Rabi splitting can be observed clearly in the probe absorption spectrum. The coupling strength can be obtained by measuring the vacuum Rabi splitting. This strong coupling is significant for the investigation of surface-plasmon-based quantum information processing.

© 2012 Optical Society of America

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

ToC Category:
Quantum Optics

Original Manuscript: February 14, 2012
Revised Manuscript: May 22, 2012
Manuscript Accepted: June 1, 2012
Published: July 12, 2012

Yong He, Cheng Jiang, Bin Chen, Jin-Jin Li, and Ka-Di Zhu, "Optical determination of vacuum Rabi splitting in a semiconductor quantum dot induced by a metal nanoparticle," Opt. Lett. 37, 2943-2945 (2012)

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