[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 (¹China Univ. of Geosciences, Wuhan, ²Beijing Univ. of Posts and Telecommunications, ³China Information and Communication Technologies Group Corporation)

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.