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- Title
Room-temperature ultraviolet nanowire nanolasers.
- Authors
Huang, M H; Mao, S; Feick, H; Yan, H; Wu, Y; Kind, H; Weber, E; Russo, R; Yang, P
- Abstract
Room-temperature ultraviolet lasing in semiconductor nanowire arrays has been demonstrated. The self-organized, <0001> oriented zinc oxide nanowires grown on sapphire substrates were synthesized with a simple vapor transport and condensation process. These wide band-gap semiconductor nanowires form natural laser cavities with diameters varying from 20 to 150 nanometers and lengths up to 10 micrometers. Under optical excitation, surface-emitting lasing action was observed at 385 nanometers, with an emission linewidth less than 0.3 nanometer. The chemical flexibility and the one-dimensionality of the nanowires make them ideal miniaturized laser light sources. These short-wavelength nanolasers could have myriad applications, including optical computing, information storage, and microanalysis.
- Publication
Science (New York, N.Y.), 2001, Vol 292, Issue 5523, p1897
- ISSN
0036-8075
- Publication type
Journal Article
- DOI
10.1126/science.1060367