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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 14 — Jul. 14, 2014
  • pp: 16731–16737

ZnO ultraviolet random laser diode on metal copper substrate

C. Y. Liu, H. Y. Xu, Y. Sun, J. G. Ma, and Y. C. Liu  »View Author Affiliations

Optics Express, Vol. 22, Issue 14, pp. 16731-16737 (2014)

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Direct fabrication of light emitting devices on metal substrates is highly desirable due to their advantages of high thermal conductivity and light reflection. In this work, we demonstrated a feasibility of directly fabricating ZnO-based ultraviolet laser diodes on metal substrates. By introducing an anti-oxidation buffer layer, Au/MgO/ZnO metal-insulator-semiconductor heterojunction devices are successfully fabricated on the copper substrate. Electrically pumped ultraviolet random lasing was achieved from ZnO active layer. The use of copper substrate offers some merits, including lower thermal effect and higher stability of emission wavelength.

© 2014 Optical Society of America

OCIS Codes
(140.3610) Lasers and laser optics : Lasers, ultraviolet
(140.5960) Lasers and laser optics : Semiconductor lasers
(160.6000) Materials : Semiconductor materials

ToC Category:
Lasers and Laser Optics

Original Manuscript: May 13, 2014
Revised Manuscript: June 21, 2014
Manuscript Accepted: June 22, 2014
Published: June 30, 2014

C. Y. Liu, H. Y. Xu, Y. Sun, J. G. Ma, and Y. C. Liu, "ZnO ultraviolet random laser diode on metal copper substrate," Opt. Express 22, 16731-16737 (2014)

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