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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 7, Iss. 8 — Aug. 1, 2009
  • pp: 709–711

Fabrication of high-power VCSEL with radial bridge electrodes

Lifeng Hou, Gang Zhong, Yingjie Zhao, Yongzhuang Yang, Yuxia Wang, Yongqin Hao, Yuan Feng, Xiaoguang Jiang, and Haorui Xie  »View Author Affiliations


Chinese Optics Letters, Vol. 7, Issue 8, pp. 709-711 (2009)


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Abstract

We report the fabrication of a novel high-power vertical-cavity surface-emitting laser (VCSEL) with radial bridge electrodes in this letter. The analysis shows that the radial bridge electrodes can reduce the p-type distributed Bragg reflector (p-DBR) electric and thermal resistance, and improve the device beam quality. The high-power radial brigde electrode VCSELs with 200-\mum aperture have been made and tested. The testing results show that the differential resistance of the VCSEL is 0.43 \Omega and the maximal continuous-wave (CW) output power is 340 mW, 1.7 times higher than the conventional electrode device. Its thermal resistance is 0.095 \Degress/mW, and its near-field pattern exhibits a homogeneous distribution. The high-power radial bridge electrode VCSEL has better temperature and opto-electric characteristics.

© 2009 Chinese Optics Letters

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.6810) Lasers and laser optics : Thermal effects
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers
(140.7260) Lasers and laser optics : Vertical cavity surface emitting lasers

Citation
Lifeng Hou, Gang Zhong, Yingjie Zhao, Yongzhuang Yang, Yuxia Wang, Yongqin Hao, Yuan Feng, Xiaoguang Jiang, and Haorui Xie, "Fabrication of high-power VCSEL with radial bridge electrodes," Chin. Opt. Lett. 7, 709-711 (2009)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-7-8-709


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