Conference Proceedings
A cost-effective 2.5 Gb/s/λ Bi-directional coherent UDWDM-PON with computationally-efficient DSP
R Hu, Q Yang, M Luo, X Xiao, X Xiao, H Li, W Shieh
European Conference on Optical Communication ECOC | IEEE | Published : 2014
Abstract
A 2.5Gb/s/λ bi-directional coherent UDWDM-PON is demonstrated with 4-ASK modulation using heterodyne detection. The frequency offset tolerance is around 6 GHz within 0.5-dB penalty, and no EDFA is needed in either ONU or OLT.