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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 11 — May. 21, 2012
  • pp: 11830–11837

Room temperature strong coupling effects from single ZnO nanowire microcavity

Ayan Das, Junseok Heo, Adrian Bayraktaroglu, Wei Guo, Tien-Khee Ng, Jamie Phillips, Boon S. Ooi, and Pallab Bhattacharya  »View Author Affiliations


Optics Express, Vol. 20, Issue 11, pp. 11830-11837 (2012)
http://dx.doi.org/10.1364/OE.20.011830


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Abstract

Strong coupling effects in a dielectric microcavity with a single ZnO nanowire embedded in it have been investigated at room temperature. A large Rabi splitting of ~100 meV is obtained from the polariton dispersion and a non-linearity in the polariton emission characteristics is observed at room temperature with a low threshold of 1.63 μJ/cm2, which corresponds to a polariton density an order of magnitude smaller than that for the Mott transition. The momentum distribution of the lower polaritons shows evidence of dynamic condensation and the absence of a relaxation bottleneck. The polariton relaxation dynamics were investigated by time-resolved measurements, which showed a progressive decrease in the polariton relaxation time with increase in polariton density.

© 2012 OSA

OCIS Codes
(140.3945) Lasers and laser optics : Microcavities
(140.3948) Lasers and laser optics : Microcavity devices

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 29, 2012
Revised Manuscript: April 30, 2012
Manuscript Accepted: May 5, 2012
Published: May 10, 2012

Citation
Ayan Das, Junseok Heo, Adrian Bayraktaroglu, Wei Guo, Tien-Khee Ng, Jamie Phillips, Boon S. Ooi, and Pallab Bhattacharya, "Room temperature strong coupling effects from single ZnO nanowire microcavity," Opt. Express 20, 11830-11837 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-11-11830


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