Theoretical analysis of phase noise induced by laser linewidth and mismatch length in self-homodyne coherent systems

X Zhou, Y Gao, J Huo, W Shieh - Journal of Lightwave Technology, 2021 - opg.optica.org
The intra-and inter-data center links face continuously increasing pressure on the
transmission capacity while having to meet strict constraints in cost and power consumption …

800G/ Self-Homodyne Coherent Links With Simplified DSP for Next-Generation Intra-Data Centers

R Zhang, K Kuzmin, YW Chen, WI Way - Journal of Lightwave …, 2023 - opg.optica.org
Assuming a low-latency forward error correction (FEC)-based bit-error-rate (BER) threshold,
we demonstrate and provide a detailed analysis of a 120 Gbaud/DP-16QAM single-carrier …

Coherent optics for data center networks

C Xie, J Cheng - 2020 IEEE Photonics Society Summer …, 2020 - ieeexplore.ieee.org
Coherent technology has been widely used in metro data center networks, and will
penetrate into shorter links and even intra-data center interconnects for beyond-400G …

Impact of laser phase noise on self-coherent transceivers employing high-order QAM formats

S Ishimura, Y Nakano, T Tanemura - Journal of Lightwave …, 2021 - opg.optica.org
Recent studies have shown that the self-coherent systems, including the bi-directional, the
Stokes-vector-modulation direct-detection (SVM-DD), and the Kramers-Kronig (KK) …

[PDF][PDF] 同源自零差相干光传输技术

唐明, 李伟昊, 章明明, 王雪峰, 陈一昭… - Chinese Journal of …, 2022 - researching.cn
摘要同源自零差相干技术在信号传输时伴随传输一个同源的导频, 将其在收端用作相干探测的本
振光. 同源自零差相干系统包含偏分复用同源自零差相干和空分复用同源自零差相干两类架构 …

[PDF][PDF] 面向中短距应用的差分自相干光纤传输系统

蔡轶, 姜晨旭, 王霄洲, 王甫涵, 田中星, 孙林… - Acta Optica …, 2023 - researching.cn
摘要基于4 电平脉冲幅度调制(PAM4) 的强度调制直接检测(IMDD) 是目前中短距应用的主要
解决方案之一. 然而, 基于高阶脉冲调制的IMDD 方案检测灵敏度明显下降. 另一方面 …

Advanced Modulation and Equalization Schemes for Optical Short to Medium Reach DD Link.

F Nan, JU Cheng, L Bin - Study on Optical Communications …, 2021 - search.ebscohost.com
In order to meet the increasing bandwidth demand, the future high speed, high capacity and
low cost optical short and medium reach Direct Detection (DD) system becomes an …