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In this presentation, the record results of a directly modulated PLANEX external cavity lasers (ECL), which has achieved 80 km transmission distances at 10 Gbps with a power penalty of only 1.4 dB, due to optimized chirp characteristics are presented. The ECL has been miniaturized and integrated into a TOSA applicable for industry standard XFP modules, and is directly applicable to DWDM operation...
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