Journal
OPTICS EXPRESS
Volume 18, Issue 15, Pages 15371-15376Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.18.015371
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Funding
- National Fundamental Research Program [2006CB921106]
- Major State Basic Research Project of China [G2009CB929300]
- Natural Science Foundation of China
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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. (C) 2010 Optical Society of America
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