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We have developed a 4-channel AlGaInAs MQW-BH-DFB-LD array for 1.3-/spl mu/m CWDM systems. High-speed characteristics up to a 10-Gb/s operation on all channels, and more than a 40-Gb/s throughput woe obtained at 85/spl deg/C.
A record-low 25.8-mA/sub p-p/ modulation current for 10-Gb/s modulation at 100/spl deg/C was demonstrated using AlGaInAs strain compensated MQW-BH-DFB lasers. A median life of more than 1/spl times/10/sup 5/ hours at 85/spl deg/C was estimated after an aging test of 4000 hours.
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