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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 8, Iss. 6 — Jun. 1, 2010
  • pp: 595–597

High-power vertical-cavity surface-emitting lasers bonded with efficient packaging

Changling Yan, Guoguang Lu, and Li Qin  »View Author Affiliations

Chinese Optics Letters, Vol. 8, Issue 6, pp. 595-597 (2010)

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High-power vertical-cavity surface-emitting lasers (VCSELs) are processed using a wet thermal-selective oxidation technique. The VCSEL chips are packaged by employing three different bonding methods of silver solder, In-Sn solder, and metalized diamond heat spreader. After packaging, optical output power, wavelength shift, and thermal resistance of the devices are measured and compared in an experiment. The device packaged with a metalized diamond heat spreader shows the best operation characteristics among the three methods. The 200 \mu m-diameter device bonded with a metalized diamond heat spreader produces a continuous wave optical output power of 0.51 W and a corresponding power density of 1.6 kW/cm<sup>2</sup> at room temperature. The thermal resistance is as low as 10 K/W. The accelerated aging test is also carried out at high temperature under constant current mode. The device operates for more than 1000 h at 70 ?, and the total degradation is only about 10%.

© 2010 Chinese Optics Letters

OCIS Codes
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers
(250.5960) Optoelectronics : Semiconductor lasers
(140.7260) Lasers and laser optics : Vertical cavity surface emitting lasers

Changling Yan, Guoguang Lu, and Li Qin, "High-power vertical-cavity surface-emitting lasers bonded with efficient packaging," Chin. Opt. Lett. 8, 595-597 (2010)

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