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Directional and controllable edge-emitting ZnO ultraviolet random laser diodes.

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Directional and controllable edge-emitting ZnO ultraviolet random laser diodes.

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dc.contributor.author Liang, H. K.
dc.contributor.author Yu, S. F.
dc.contributor.author Yang, H. Y.
dc.date.accessioned 2011-07-29T00:49:37Z
dc.date.available 2011-07-29T00:49:37Z
dc.date.copyright 2010
dc.date.issued 2011-07-29
dc.identifier.citation Liang, H. K., Yu, S. F., & Yang, H. Y. (2010). Directional and controllable edge-emitting ZnO ultraviolet random laser diodes. Applied Physics Letters, 96.
dc.identifier.issn 0003-6951
dc.identifier.uri http://hdl.handle.net/10220/6943
dc.description.abstract Room-temperature ultraviolet random lasing action is demonstrated from a p-GaN/annealed i-ZnO:Al(3%)/n-ZnO:Al(5%) buried heterojunction diode with a 2 μm rib waveguide. Excellent electrical-to-optical conversion efficiency is achieved by strong electrical and optical confinement of a buried heterojunction rib waveguide structure. Hence, emission intensity (threshold current) can be enhanced (reduced) by ∼ 9 times ( ∼ 40%). Directional emission as well as controllability on the number of the random lasing modes can also be achieved.
dc.format.extent 3 p.
dc.language.iso en
dc.relation.ispartofseries Applied physics letters
dc.rights © 2010 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: http://dx.doi.org/10.1063/1.3356221.  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
dc.subject DRNTU::Engineering::Electrical and electronic engineering::Antennas, wave guides, microwaves, radar, radio.
dc.title Directional and controllable edge-emitting ZnO ultraviolet random laser diodes.
dc.type Journal Article
dc.contributor.school School of Electrical and Electronic Engineering
dc.identifier.doi http://dx.doi.org/10.1063/1.3356221
dc.description.version Published version
dc.identifier.rims 151479

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