Demonstration of the Mitigation of Intra-Channel Nonlinearities based on Inter-Polarization Digital Frequency Offsetting with 50Gb/s PM-QPSK signal over 10,080km transmission

Shinsuke Fujisawa; Takehiro Nakano; Daisaku Ogasahara; Emmanuel Le Taillandier De Gabory; Yoshihisa Inada; Toshiharu Ito; Kiyoshi Fukuchi

doi:10.1364/ECEOC.2012.Mo.1.C.2

European Conference and Exhibition on Optical Communication
OSA Technical Digest (online) (Optica Publishing Group, 2012),
paper Mo.1.C.2
•https://doi.org/10.1364/ECEOC.2012.Mo.1.C.2

Demonstration of the Mitigation of Intra-Channel Nonlinearities based on Inter-Polarization Digital Frequency Offsetting with 50Gb/s PM-QPSK signal over 10,080km transmission

Shinsuke Fujisawa, Takehiro Nakano, Daisaku Ogasahara, Emmanuel Le Taillandier De Gabory, Yoshihisa Inada, Toshiharu Ito, and Kiyoshi Fukuchi

European Conference and Exhibition on Optical Communication 2012

Amsterdam Netherlands
16–20 September 2012
ISBN: 978-1-55752-950-3

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S. Fujisawa, T. Nakano, D. Ogasahara, E. Le Taillandier De Gabory, Y. Inada, T. Ito, and K. Fukuchi, "Demonstration of the Mitigation of Intra-Channel Nonlinearities based on Inter-Polarization Digital Frequency Offsetting with 50Gb/s PM-QPSK signal over 10,080km transmission," in European Conference and Exhibition on Optical Communication, OSA Technical Digest (online) (Optica Publishing Group, 2012), paper Mo.1.C.2.

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Abstract

We propose a new method to mitigate intra-channel nonlinear impairments based on digital frequency offsetting between polarizations. We experimentally demonstrate the improvement of the maximal Q-factor by 0.8 dB for 50Gb/s PM-iRZ-QPSK signal over a 10,080km PSCF transmission line with the impact of bandwidth-narrowing by 25GHz filtering.

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