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10-Gb/s 80-km and 40-Gb/s 2-km SMF transmissions with low power penalty over wide temperature range are demonstrated with a 1.55-μm InGaAlAs EAM-integrated DFB laser. These devices are suitable for use as 10-/40-Gb/s uncooled light sources.
A 2-km 40-Gb/s transmission from -15 to 80degC is demonstrated using a 1.55-mum InGaAlAs EML for the first time. A power penalty below 2 dB with a dynamic extinction ratio of over 8.2 dB is achieved at -15degC.
An 80-km SMF transmission at 10-Gb/s using a 1.55-mum, InGaAlAs EML was demonstrated over an extended temperature range (-25degC to 100degC). A dynamic extinction ratio of over 9 dB at -25degC was obtained.
We have developed a 1.55-mum uncooled electroabsorption modulator (EAM) integrated distributed-feedback laser with an InGaAlAs multiple quantum-well active/absorption stripe. These two components were directly butt-jointed using a simplified fabrication process. We demonstrated an 80-km single-mode fiber (SMF) transmission at 10 Gb/s over an extremely wide temperature range of 125degC (-25degC-100degC)...
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