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A low-cost continuously tunable laser based on multiple in-line DFB sections and thermal tuning is demonstrated. It is capable of 16 channel tuning and 1.25 Gbps operation. Transceiver performance will also be shown.
Highly linear and price competitive 1550nm GaInAsP DFB RWG lasers with low distortions and low chirps for QAM applications was developed. Their frequency dependent CTB was studied through band gap engineering in the active region.
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