Digital signal processing for short-reach optical communications: A review of current technologies and future trends

K Zhong, X Zhou, J Huo, C Yu, C Lu… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
Driven primarily by cloud service and data-center applications, short-reach optical
communication has become a key market segment and growing research area in recent …

Modulation format and digital signal processing for IM-DD optics at post-200G era

D Che, X Chen - Journal of Lightwave Technology, 2023 - ieeexplore.ieee.org
200-Gb/s per lane intensity-modulation (IM) direct-detection (DD) optics are being
commercialized to support 800G and 1.6 T applications inside datacenters. Though IM-DD …

200 Gbps/lane IM/DD technologies for short reach optical interconnects

X Pang, O Ozolins, R Lin, L Zhang… - Journal of Lightwave …, 2020 - opg.optica.org
Client-side optics are facing an ever-increasing upgrading pace, driven by upcoming 5G
related services and datacenter applications. The demand for a single lane data rate is soon …

Volterra and Wiener equalizers for short-reach 100G PAM-4 applications

N Stojanovic, F Karinou, Z Qiang… - Journal of Lightwave …, 2017 - opg.optica.org
Unlike ultralong coherent optical systems that seriously suffer from fiber nonlinearities, short-
reach noncoherent systems such as data center interconnections, which utilize small, cheap …

Recent advances in 850 nm VCSELs for high-speed interconnects

HT Cheng, YC Yang, TH Liu, CH Wu - Photonics, 2022 - mdpi.com
Vertical-cavity surface-emitting lasers (VCSELs) have made remarkable progress, are being
used across a wide range of consumer electronic applications, and have particularly …

Advanced DSP enabled C-band 112 Gbit/s/λ PAM-4 transmissions with severe bandwidth-constraint

M Xiang, S Fu, O Xu, J Li, D Peng, Z Gao… - Journal of Lightwave …, 2022 - opg.optica.org
The performance of high-speed intensity modulation direct detection (IM-DD) transmissions
is severely degraded by the linear inter-symbol interference (ISI), due to both bandwidth …

100G fine-granularity flexible-rate passive optical networks based on discrete multi-tone with PAPR optimization

J Zhou, J He, X Lu, G Wang, Y Bo, G Liu… - Journal of Optical …, 2022 - opg.optica.org
To meet rapidly growing customer-traffic demands, passive optical networks (PONs) have
been widely applied in optical access networks. However, one common imperfection of the …

Digital pre-and post-equalization for C-band 112-Gb/s PAM4 short-reach transport systems

X Tang, Y Qiao, YW Chen, Y Lu… - Journal of Lightwave …, 2020 - opg.optica.org
Insufficient system bandwidth and chromatic dispersion (CD) of fiber are major limitations for
high-speed four-level pulse amplitude modulation (PAM4) direct detection systems. In this …

Higher-order dispersion and nonlinear effects of optical fibers under septic self-steepening and self-frequency shift

KK Ndebele, CB Tabi, CGL Tiofack, TC Kofané - Physical Review E, 2021 - APS
We investigate the modulational instability (MI) of a continuous wave (cw) under the
combined effects of higher-order dispersions, self steepening and self-frequency shift, cubic …

Transmission performance comparison for 100-Gb/s PAM-4, CAP-16, and DFT-S OFDM with direct detection

J Shi, J Zhang, Y Zhou, Y Wang, N Chi… - Journal of Lightwave …, 2017 - opg.optica.org
Metro network, as a medium distance transmission system, poses a special challenge of
transmission capacity and cost. In this paper, we present a detailed comparison of applying …