4.3 Article

Experimental demonstration of intra-channel nonlinearity mitigation in coherent QPSK systems with nonlinear electrical equaliser

Journal

ELECTRONICS LETTERS
Volume 46, Issue 5, Pages 353-U4876

Publisher

INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/el.2010.3570

Keywords

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Funding

  1. National Natural Science Foundation of China [60877045]
  2. Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
  3. National Basic Research Program of China [2010CB328201, 2010CB328202]
  4. Fujitsu Research and Development Centre, China

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The mitigation of intra-channel nonlinearities in 10 Gbaud coherent NRZ-QPSK systems via a nonlinear electrical equaliser based on Volterra theory is experimentally demonstrated. Without the requirement of prior knowledge of the fibre link, the equaliser significantly improves the system performance compared to digital dispersion compensation only.

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