Experimental Demonstrations of Concurrent Adaptive Inter-ONU and Upstream Communications in IMDD Hybrid SSB OFDM-DFMA PONs. - Zhuqiang Zhong; Wei Jin; Shan Jiang; Jiaxiang He; Da Chang; Roger Philip Giddings; Yanhua Hong; Maurice O'Sullivan; Tim Durrant; Giordano Mariani; Jeremy Trewern; Jianming Tang 001 (OFC, 2021)