Precise characterization of the frequency chirp in directly modulated DFB lasers

@article{Villafranca2007PreciseCO,
  title={Precise characterization of the frequency chirp in directly modulated DFB lasers},
  author={Asier Villafranca and Javier Lasobras and Ignacio Garc{\'e}s},
  journal={2007 Spanish Conference on Electron Devices},
  year={2007},
  pages={173-176}
}
We report on results from the characterization of the frequency chirp characteristics of distributed feedback (DFB) lasers under direct modulation conditions. Parameters describing transient and adiabatic chirp effects are measured for a DFB laser from the ratio of phase to amplitude modulation factors when modulated with sine waves using a high-resolution optical spectrum analyzer. Transient and adiabatic chirp effects produced under digital non-return to zero (NRZ) amplitude modulation are… CONTINUE READING

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