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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 15 — Aug. 1, 2007
  • pp: 2125–2127

Coherent exciton–plasmon interaction in the hybrid semiconductor quantum dot and metal nanoparticle complex

Mu-Tian Cheng, Shao-Ding Liu, Hui-Jun Zhou, Zhong-Hua Hao, and Qu-Quan Wang  »View Author Affiliations

Optics Letters, Vol. 32, Issue 15, pp. 2125-2127 (2007)

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We studied theoretically the exciton coherent dynamics in the hybrid complex composed of CdTe quantum dot (QDs) and rodlike Au nanoparticles (NPs) by the self-consistent approach. Through adjusting the aspect ratio of the rodlike Au NPs, the radiative rate of the exciton and the nonradiative energy transfer rate from the QD to the Au NP are tunable in the wide range 0.05 4 ns 1 and 4.4 × 10 4 to 2.6 ns 1 , respectively; consequently, the period of Rabi oscillations of exciton population is tunable in the range 0.6 π 9 π .

© 2007 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(270.1670) Quantum optics : Coherent optical effects
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

ToC Category:
Ultrafast Optics

Original Manuscript: April 30, 2007
Revised Manuscript: June 4, 2007
Manuscript Accepted: June 8, 2007
Published: July 20, 2007

Mu-Tian Cheng, Shao-Ding Liu, Hui-Jun Zhou, Zhong-Hua Hao, and Qu-Quan Wang, "Coherent exciton-plasmon interaction in the hybrid semiconductor quantum dot and metal nanoparticle complex," Opt. Lett. 32, 2125-2127 (2007)

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