Digital signal processing for short-reach optical communications: A review of current technologies and future trends
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 …
communication has become a key market segment and growing research area in recent …
[HTML][HTML] Recent advances in equalization technologies for short-reach optical links based on PAM4 modulation: A review
In recent years, short-reach optical links have attracted much more attention and have come
to constitute a key market segment due to the rapid development of data-center applications …
to constitute a key market segment due to the rapid development of data-center applications …
Optical communications for short reach
M Chagnon - Journal of Lightwave Technology, 2019 - ieeexplore.ieee.org
Systems modulating, transporting, and detecting lightwaves have evolved tremendously in
the past four decades. The first systems, which were relying on intensity modulation with …
the past four decades. The first systems, which were relying on intensity modulation with …
DSP for high-speed short-reach IM/DD systems using PAM
Intensity modulation and direct detection (IM/DD) together with pulse amplitude modulation
(PAM) is a cost-efficient solution for intra-datacenter links. However, sophisticated digital …
(PAM) is a cost-efficient solution for intra-datacenter links. However, sophisticated digital …
Higher-order modulation vs faster-than-Nyquist PAM-4 for datacenter IM-DD optics: an AIR comparison under practical bandwidth limits
The 4-ary pulse amplitude modulation (PAM-4) has been widely deployed to both electrical
and optical interfaces in datacenter applications. Based on 100-GBd PAM-4, the 200G per …
and optical interfaces in datacenter applications. Based on 100-GBd PAM-4, the 200G per …
IM/DD beyond bandwidth limitation for data center optical interconnects
Intensity modulation with direct detection (IM/DD) provides a low-cost solution for data center
optical interconnects. To achieve higher data rate, Tomlinson-Harashima precoding (THP) is …
optical interconnects. To achieve higher data rate, Tomlinson-Harashima precoding (THP) is …
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 …
high-speed four-level pulse amplitude modulation (PAM4) direct detection systems. In this …
Adaptive channel-matched detection for C-band 64-Gbit/s optical OOK system over 100-km dispersion-uncompensated link
In this paper, we propose adaptive channel-matched detection (ACMD) to effectively
compensate channel distortions for C-band 64-Gbit/s intensity-modulation and direct …
compensate channel distortions for C-band 64-Gbit/s intensity-modulation and direct …
C-band 120-Gb/s PAM-4 transmission over 50-km SSMF with improved weighted decision-feedback equalizer
An improved weighted decision-feedback equalizer (IWDFE) is adopted and experimentally
demonstrated to mitigate chromatic dispersion (CD) induced power fading for C-band four …
demonstrated to mitigate chromatic dispersion (CD) induced power fading for C-band four …
[HTML][HTML] High-speed photonic neuromorphic computing using recurrent optical spectrum slicing neural networks
Neuromorphic computing using photonic hardware is a promising route towards ultrafast
processing while maintaining low power consumption. Here we present and numerically …
processing while maintaining low power consumption. Here we present and numerically …