[WB3] Coherent DSP

3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[WB3-5] Frequency-Domain Equalizer Tolerant to Carrier-Phase Fluctuation

○Xuemeng Hu¹, Pengpeng Wei², Yuan Li¹, Ming Luo³, Tianye Huang¹, Xiang Li¹ (1. China University of Geosciences, Wuhan (China), 2. Beijing University of Posts and Telecommunications (China), 3. China Information and Communication Technologies Group Corporation (China))

Keywords:

Digital signal processing algorithms for optical communications

We propose a frequency-domain equalizer (FDE) which can effectively estimate carrier phase and frequency offset and significantly reduce the computational complexity of time-domain equalizer (TDE). The performance is demonstrated by 62.5G-Baud DP-16QAM transmission experiment.