Damping-limited modulation bandwidths up to 40 GHz in undoped short-cavity In/sub 0.35/Ga/sub 0.65/As-GaAs multiple-quantum-well lasers

@article{Weisser1996DampinglimitedMB,
  title={Damping-limited modulation bandwidths up to 40 GHz in undoped short-cavity In/sub 0.35/Ga/sub 0.65/As-GaAs multiple-quantum-well lasers},
  author={S. Weisser and E. C. Larkins and K. Czotscher and Walter Benz and J. Daleiden and I. Esquivias and Joachim Flei\ssner and J S Ralston and Beatriz Romero and R. E. Sah and A. Schonfelder and James B. Rosenzweig},
  journal={IEEE Photonics Technology Letters},
  year={1996},
  volume={8},
  pages={608-610}
}
We demonstrate record direct modulation bandwidths from MBE-grown In/sub 0.35/Ga/sub 0.65/As-GaAs multiple-quantum-well lasers with undoped active regions and with the upper and lower cladding layers grown at different growth temperatures. Short-cavity ridge waveguide lasers achieve CW direct modulation bandwidths up to 40 GHz for 6/spl times/130 /spl mu/m/sup 2/ devices at a bias current of 155 mA, which is the damping limit for this structure. We further demonstrate large-signal digital… CONTINUE READING
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