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Conferences > CLEOPR > 2007 > WA1 > WA1_5
  • Conference on Lasers and Electro-Optics/Pacific Rim 2007
  • (Optica Publishing Group, 2007),
  • paper WA1_5

Degradation Modes of InGaN Blue-Violet Laser Diodes Grown on Bulk GaN Wafers

Chong Cook Kim, Yoonho Choi, and Min-Soo Noh

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Abstract

We investigated the degradation modes in the aging processes of (Al, In)GaN laser diodes on bulk GaN substrates of the dislocation density less than 5×106 cm”2. The estimated lifetime exceeds 2,000 h under 160 mW pulse-operation at 60 °C. The lifetime-limiting degradation is attributed to nonradiative recombination related with the defects extended from GaN substrates.

© 2007 IEEE

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