Aligned growth of ZnO nanowires and lasing in single ZnO nanowire optical cavities

被引：23

作者：

Guo, R. Q. ^{[2
]}

Nishimura, J. ^{[1
]}

Matsumoto, M. ^{[1
]}

Higashihata, M. ^{[1
]}

Nakamura, D. ^{[1
]}

Suehiro, J. ^{[1
]}

Okada, T. ^{[1
]}

机构：

[1] Kyushu Univ, Grad Sch ISEE, Nishi Ku, Fukuoka 8190395, Japan

[2] Fudan Univ, Adv Mat Lab, Shanghai 200433, Peoples R China

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2008年 / 90卷 / 3-4期

关键词：

Cavity Mode; Mode Spacing; Single Nanowire; Wire Waveguide; Crystalline Facet;

D O I：

10.1007/s00340-007-2891-4

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Ordered ZnO nanowire arrays have been fabricated in N-2 background gas by catalyst-free nanoparticle-assisted pulsed-laser deposition. A single ZnO nanowire was collected in an electrode gap by dielectrophoresis. Under the optical pumping above an exciting laser (lambda=355 nm) threshold of similar to 334 kW/cm(2), ultraviolet lasing action in a single ZnO nanowire was observed at room temperature, indicating that the as-synthesized nanowires in pure N-2 background gas are of high quality. The crystalline facets of both ends of the nanowire acted to form an optical cavity. Therefore, the mode spacings corresponding to cavity lengths of the respective nanowires were observed in photoluminescence spectra.

引用

页码：539 / 542

页数：4

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