Logo Diqdot   Dispersion Immune
Quantum DOT based sources
for next generation access networks
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Project objectives
  • Novel optical sources for low cost, low consumption, athermal, access network.

  • High bit rate operation over transmission spans on standard fibre beyond state of the art limits using a directly modulated laser.
Challenges, innovation and highlights
  • High performance, low chirp, transmitters based on a novel low dimensional material system (quantum dashes).

  • Signal reshaping for recovering an extinction ratio fully compatible with current access network standards.
Expected results

  • Demonstration of a 10 Gbit/s transmission in a semi-cooled operation (45C) over more than 60 km and an optical budget higher than 29 dB.

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