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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 15 — Jul. 19, 2010
  • pp: 15371–15376

Quasi-whispering gallery modes of exciton-polaritons in a ZnO microrod

Liaoxin Sun, Hongxing Dong, Wei Xie, Zhenghua An, Xuechu Shen, and Zhanghai Chen  »View Author Affiliations

Optics Express, Vol. 18, Issue 15, pp. 15371-15376 (2010)

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We report the photoluminescence (PL) investigations of quasi-whispering gallery mode (quasi-WGM) polaritons in a ZnO microrod at room temperature. By using the confocal micro-PL spectroscopic technique, we observe the clear optical quasi-WGMs. These quasi-WGMs appeared in the ultraviolet (UV) emission region where the cavity modes strongly couple with excitons and form polaritons. The quasi-WGMs polaritons can be well described by the plane wave interference and the coupling oscillator model.

© 2010 OSA

OCIS Codes
(250.5230) Optoelectronics : Photoluminescence
(140.3945) Lasers and laser optics : Microcavities
(160.4236) Materials : Nanomaterials

ToC Category:

Original Manuscript: May 28, 2010
Revised Manuscript: June 24, 2010
Manuscript Accepted: June 24, 2010
Published: July 2, 2010

Liaoxin Sun, Hongxing Dong, Wei Xie, Zhenghua An, Xuechu Shen, and Zhanghai Chen, "Quasi-whispering gallery modes of exciton-polaritons in a ZnO microrod," Opt. Express 18, 15371-15376 (2010)

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