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Accelerated life test for single-mode junction-up TJS lasers have been carried out at ambient temperatures of 50, 60, 70, 80, and 90°C. The laser chips are passivated with Si3N4films and die bonded on Si submounts. Estimated mean time to failure is 106h at 25°C.
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Nita et al. (1979) studied this question.
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