Spectral characteristics for 1.5 µm DBR laser with frequency-tuning region

作者: S. Murata , I. Mito , K. Kobayashi

DOI: 10.1109/JQE.1987.1073440

关键词:

摘要: A 1.5 μm frequency-tunable distributed Bragg reflector (DBR) laser was developed. Frequency tuning performed by injecting current into the DBR region where refractive index reduced to result in frequency change. Threshold and external quantum efficiency were 16 mA 26 percent, respectively. The maximum continuous wavelength range 1.03 nm ( = 136 GHz). Spectral linewidth maintained at an almost constant value when tuned. Large modulation (FM) of 1-3 GHz/mA flat FM response up a few hundred MHz obtained.

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