Abstract
The first accelerated aging study of wavelength tunable packaged GCSR
lasers is reported. Stable power and SMSR were observed during the 5000 hours
of operation at elevated temperatures. Frequency shifts of the selected lasing
channels were characterized to access potential failures in an optical
network. A longer burn-in was found to significantly reduce the amount of the
observed shifts, and hence increase the reliability of the device. The
effective room-temperature lifetime of GCSR is estimated to be 13.4 y. A new
end-of-life criteria is also proposed.
© 2000 IEEE
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