Journal
OPTICS EXPRESS
Volume 20, Issue 13, Pages 13657-13662Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.20.013657
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Funding
- National Basic Research Program of China (973 Program) [2011CB302006, 2011CB302004]
- Knowledge Innovation Program of the Chinese Academy of Sciences [KJCX2-YW-W25]
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The ZnO microwires with quadrate cross section were synthesized by chemical vapor deposition method. The ultraviolet laser with the Fabry-perot cavity modes was realized from an individual ZnO microwire. Under the low excitation power densities, the amplified spontaneous emission was observed from the ZnO microwire, while the lasing action was observed under the high excitation power densities. The ZnO microwire exhibited low threshold excitation intensity of 58 kW/cm(2) and quality factor of 485. The characteristics and possible lasing mechanism were investigated in detail. (C) 2012 Optical Society of America
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