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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 7 — Mar. 1, 2011
  • pp: 1034–1037

Large aperture vertical cavity surface emitting laser with distributed-ring contact

Yong-Qin Hao, Yan Luo, Yuan Feng, Chang-Ling Yan, Ying-Jie Zhao, Yu-Xia Wang, Xiao-Hua Wang, Yi Qu, and Guo-Jun Liu  »View Author Affiliations

Applied Optics, Vol. 50, Issue 7, pp. 1034-1037 (2011)

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To overcome the serious current crowding effect in top-emitting vertical cavity surface emitting lasers (VCSELs) with large aperture, a distributed-ring-contact (DRC) VCSEL is proposed and demonstrated. A maximal cw light output power of more than 0.3 W and a wall-plug efficiency of 17.4% are achieved for a 300 μm -diameter VCSEL. The DRC VCSEL exhibits a more homogeneous emission profile, and the laser emits at 803.3 nm with a narrow spectrum (less than 0.2 nm FWHM).

© 2011 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.5960) Lasers and laser optics : Semiconductor lasers
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers
(140.7260) Lasers and laser optics : Vertical cavity surface emitting lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 11, 2010
Revised Manuscript: December 22, 2010
Manuscript Accepted: January 4, 2011
Published: February 25, 2011

Yong-Qin Hao, Yan Luo, Yuan Feng, Chang-Ling Yan, Ying-Jie Zhao, Yu-Xia Wang, Xiao-Hua Wang, Yi Qu, and Guo-Jun Liu, "Large aperture vertical cavity surface emitting laser with distributed-ring contact," Appl. Opt. 50, 1034-1037 (2011)

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