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Long-lived high-power GaAlAs DH laser diodes

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5 Author(s)
Imai, H. ; Fujitsu Laboratories Ltd., Kawasaki, Japan ; Morimoto, M. ; Hori, K. ; Takusagawa, M.
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Aging test at high-power operation has been done by using facet coated GaAlAs DH laser diodes. Median lifetimes at 70°C are 9000 h for 10 mW/facet operation, 4500 h for 15 mW/facet operation, and 2000 h for 20 mW/facet operation. It is found that the median lifetime decreases with the inverse square of the optical power.

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Quantum Electronics, IEEE Journal of  (Volume:16 ,  Issue: 3 )