Experimental Demonstration of a Low-Complexity Phase Noise Compensation for CO-OFDM Systems

Thanh Tu Nguyen*, Son Thai Le, Marc Wuilpart, Patrice Megret

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


In this letter, a low-complexity phase noise compensation scheme based on Kalman filtering theory is experimentally demonstrated for coherent optical orthogonal frequency-division multiplexing (CO-OFDM) transmissions. The proposed scheme can operate in two modes, pilot-aided mode and blind mode, resulting in a variety of phase noise tracking configurations upon particular transmission scenario. At a bit error rate of 3.8× 10-3 and for 40 GBaud 16-QAM 64 subcarriers CO-OFDM systems, the proposed method operating in the pilot-aided mode reduces the pilot overhead by a factor of 2 in comparison with the conventional pilot-aided scheme, while in the blind mode, our scheme's complexity is far superior to one of the state-of-the-art computational efficient decision-direct-free blind approach by a factor of 20.

Original languageEnglish
Article number8412221
Pages (from-to)1467-1470
Number of pages4
JournalIEEE Photonics Technology Letters
Issue number16
Early online date17 Jul 2018
Publication statusPublished - 15 Aug 2018

Bibliographical note

Funding: This work was supported by the European Commission
FP7-PEOPLE through the ICONE Project under Grant #608099


  • Kalman filter
  • laser phase noise
  • low-complexity
  • phase noise compensation


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