Bi-directional self-homodyne transmission with MIMO-free DSP for next-generation data center interconnects
We propose and demonstrate bi-directional (BiDi) self-homodyne coherent detection
(SHCD) system experimentally, in which the multiple input multiple output free (MIMO-free) …
(SHCD) system experimentally, in which the multiple input multiple output free (MIMO-free) …
Coherent optics for data center networks
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 …
penetrate into shorter links and even intra-data center interconnects for beyond-400G …
Hardware-efficient, ultra-fast and joint polarization and carrier phase tracking scheme based on frequency domain pilot tones for dscm systems
The coherent digital subcarrier multiplexing (DSCM) has recently been proposed as a cost
saving solution to realize flexible and scalable point-to-multipoint (PTMP) networks. In this …
saving solution to realize flexible and scalable point-to-multipoint (PTMP) networks. In this …
Cost-effective and robust DSP scheme for a short-reach coherent system in the presence of transmitter IQ skew and chromatic dispersion
Y Yang, Q Xiang, T Zuo, T Zhang, Q Zhang, L Liu… - Optics Letters, 2021 - opg.optica.org
A cost-effective and robust digital signal processing (DSP) scheme is proposed and
demonstrated experimentally in a coherent 61 GBaud PDM 16QAM system. In our scheme …
demonstrated experimentally in a coherent 61 GBaud PDM 16QAM system. In our scheme …
Mismatch length estimation of self-homodyne coherent optical systems by using carrier-pilot-assist method
Abstract The Self-Homodyne Coherent (SHC) is a promising solution for inter-or intra
datacenter application in future. We proposed a carrier-pilot-assist (CPA) method to estimate …
datacenter application in future. We proposed a carrier-pilot-assist (CPA) method to estimate …
Aggressive look-up table compression by principal component analysis for digital pre-distortion in optical communication
In this paper, we propose to reduce the size of look-up table (LUT) for digital pre-distortion in
optical communication using principal component analysis (PCA). In this scheme, the full …
optical communication using principal component analysis (PCA). In this scheme, the full …
Spectrally-sliced coherent receiver utilizing a gain-switched optical frequency comb
The spectrally-sliced coherent receiver is an attractive solution for future optical access
network applications where cost is a sensitive factor, as it enables reduced bandwidth of the …
network applications where cost is a sensitive factor, as it enables reduced bandwidth of the …
[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 …
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 …
Hardware efficient and chromatic dispersion tolerant symbol-rate equalization scheme for short-reach coherent transmission system
Q Xiang, Y Yang, T Zuo, Q Zhang… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Chromatic dispersion enhanced spectrum aliasing, a nonlinear effect in the frequency
domain, is theoretically analyzed under symbol-rate sampling conditions, and the …
domain, is theoretically analyzed under symbol-rate sampling conditions, and the …
Frequency-dependent impairment calibration and estimation for a 96 GBaud coherent optical transceiver
L Dai, Z Zhang, Z Cao, S Yao, T Li, Y Fu, J Dai… - Communications …, 2024 - nature.com
For 800 Gbps/λ and beyond optical transmission systems, frequency-dependent
impairments (FDI) degrade coherent optical transceiver (CO-TRx) performance severely …
impairments (FDI) degrade coherent optical transceiver (CO-TRx) performance severely …