Title

Electrically pumped waveguide lasing from ZnO nanowires

Authors

Authors

S. Chu; G. P. Wang; W. H. Zhou; Y. Q. Lin; L. Chernyak; J. Z. Zhao; J. Y. Kong; L. Li; J. J. Ren;J. L. Liu

Comments

Authors: contact us about adding a copy of your work at STARS@ucf.edu

Abbreviated Journal Title

Nat. Nanotechnol.

Keywords

ARRAYS; EXCITONS; LASERS; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary

Abstract

Ultraviolet semiconductor lasers are widely used for applications in photonics, information storage, biology and medical therapeutics. Although the performance of gallium nitride ultraviolet lasers has improved significantly over the past decade, demand for lower costs, higher powers and shorter wavelengths has motivated interest in zinc oxide (ZnO), which has a wide direct bandgap and a large exciton binding energy(1-6). ZnO-based random lasing has been demonstrated with both optical and electrical pumping(7-10), but random lasers suffer from reduced output powers, unstable emission spectra and beam divergence. Here, we demonstrate electrically pumped Fabry-Perot type waveguide lasing from laser diodes that consist of Sb-doped p-type ZnO nanowires and n-type ZnO thin films. The diodes exhibit highly stable lasing at room temperature, and can be modelled with finite-difference time-domain methods.

Journal Title

Nature Nanotechnology

Volume

6

Issue/Number

8

Publication Date

1-1-2011

Document Type

Article

Language

English

First Page

506

Last Page

510

WOS Identifier

WOS:000293499400011

ISSN

1748-3387

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