Stimulated emission and lasing of random-growth oriented ZnO nanowires

被引：115

作者：

Hsu, HC

Wu, CY

Hsieh, WF

机构：

[1] Natl Chiao Tung Univ, Dept Photon, Hsinchu 30050, Taiwan

[2] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu 30050, Taiwan

来源：

JOURNAL OF APPLIED PHYSICS | 2005年 / 97卷 / 06期

关键词：

D O I：

10.1063/1.1862312

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report room-temperature ultraviolet stimulated emission and lasing from optically pumped high-quality ZnO nanowires. Emission due to the exciton-exciton scattering process shows apparent stimulated-emission behavior. Several sharp peaks associated with random laser action are seen under high pumping intensity. The mechanism of laser emission is attributed to coherent multiple scattering among the random-growth oriented nanowires. The characteristic cavity length is determined by the Fourier transform of the lasing spectrum. (C) 2005 American Institute of Physics.

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页数：4

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