Raman amplification with reduced polarization impairments in the fibre with tailored spin profile

Sergey Sergeyev 1 , Sergei Popov 2 , and Ari Friberg
  • 1 Optics Research Group, Waterford Institute of Technology, Cork Road, Waterford, Ireland
  • 2 Department of Microelectronics and Applied Physics, Royal Institute of Technology (KTH), Electrum 229, SE-164 40, Kista, Sweden
  • 3 Department of Engineering Physics and Mathematics, Helsinki University of Technology (TKK), P.O. Box 3500, FI-02015 HUT, Helsinki, Finland
  • 4 Department of Physics and Mathematics, University of Joensuu, P.O. Box 111, FI-80101, Joensuu, Finland

Abstract

By using two-section fibre where the first section has no spin and the second one is periodically spun, we demonstrate reduced polarization dependent gain and polarization mode dispersion (0.3 dB and 0.0072 ps·km−1/2 correspondently) in a distributed fibre Raman amplifier.

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