Enhanced gain in photonic crystal amplifiers

  title={Enhanced gain in photonic crystal amplifiers},
  author={Sara Ek and Elizaveta Semenova and Per Lunnemann and Kresten Yvind and Jesper Mork},
  journal={2012 14th International Conference on Transparent Optical Networks (ICTON)},
We experimentally demonstrate enhanced gain in the slow-light regime of quantum well photonic crystal amplifiers. A strong gain enhancement is observed with the increase of the group refractive index, due to light slow-down. The slow light enhancement is shown in an amplified spontaneous emission study of a 1 QW photonic crystal amplifier. Net gain is achieved which enables laser oscillation in photonic crystal micro cavities. The ability to freely tailor the dispersion in a semiconductor… CONTINUE READING
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