High-efficiency All-Digital Real-time Δ-σ Transmitter for Mobile Fronthaul
Conference: ECOC 2024 - 50th European Conference on Optical Communication
09/22/2024 - 09/26/2024 at Frankfurt, Germany
Proceedings: ITG-Fb. 317: ECOC 2024
Pages: 4Language: englishTyp: PDF
Authors:
Zhong, Linsheng; Wang, Yizhou; Wang, Yuanxiang; Zhao, Ruiyan; Ao, Xueyuan; Zhang, Sunningchang; Zou, Yang; Dai, Xiaoxiao; Cheng, Mengfan; Deng, Lei; Liu, Deming; Wang, Suyi; Wang, Yaqin; Chen, Songtao; Fan, Zhiwen; Yang, Qi
Abstract:
A 25-GSa/s high-efficiency all-digital real-time 4-th order DSM transmitter with a record con-version efficiency of 37.5% was realized in an FPGA. A 9.375 Gbps 64-QAM signal with the center frequency of 6.25 GHz is transmitted over 20-km SSMF at 1310nm, demonstrating an EVM of 4.1%.