標題: Frequency - and time-domain nonlinear distortion compensation in high-speed OFDM-IMDD LR-PON with high loss budget
作者: Chen, Hsing-Yu
Wei, Chia-Chien
Lin, Che-Yu
Chen, Li-Wei
Lu, I-Cheng
Chen, Jyehong
光電工程學系
Department of Photonics
公開日期: 6-Mar-2017
摘要: This study compared two nonlinear distortion compensation techniques, SSII cancellation (in the frequency domain) and Volterra filtering (in the time domain), in a > 50-Gbps/lambda OFDM-IMDD LR-PON. Experiment results for SNR, BER, and data rate (based on a bit-loading algorithm) revealed that the performance of frequency-domain SSII cancellation is unaffected by power fading; however, it depends heavily on the precision of the mathematical model. Conversely, although time-domain Volterra filtering is affected by the faded waveform, adaptive-weighting provides flexibility in dealing with mixed nonlinear distortion, particularly that associated with the interplay between fiber dispersion and fiber nonlinearity. 4-channel WDM-OFDM and 3rd-order Volterra filtering were used to demonstrate the feasibility of the proposed scheme in a 200-Gbps IMDD system. Based on 10-GHz EAM and PIN, we achieved 200-Gbps transmission over a distance of 60 km with a loss budget of > 30 dB, while providing support for 128 ONUs at >1.6 Gbps/ONU without the need for an inline amplifier or pre-amplifier. (C) 2017 Optical Society of America
URI: http://dx.doi.org/10.1364/OE.25.005044
http://hdl.handle.net/11536/144965
ISSN: 1094-4087
DOI: 10.1364/OE.25.005044
期刊: OPTICS EXPRESS
Volume: 25
Issue: 5
起始頁: 5044
結束頁: 5056
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