Abstract
We report data transmissions using a packaged two-section distributed Bragg reflector (DBR) laser, which has InGaAlAs multi-quantum wells as the gain material. The tunable DBR laser has a wavelength tuning range of 11.44 nm. The DBR laser has uniform 3-dB direct modulation bandwidth (over 12 GHz) within the over 11-nm wavelength tuning range; 10-Gb/s data transmissions are performed at up to 25-km distance and different wavelength emissions at 25 °C and 50 °C.
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