Recent advances in coherent optical communications for short-reach: Phase retrieval methods
Short-reach transmission systems traditionally utilize intensity modulation (IM) at the
transmitter and direct detection (DD) at the receiver due to their cost-effectiveness, small …
transmitter and direct detection (DD) at the receiver due to their cost-effectiveness, small …
Capacity and flexibility improvement of traffic aggregation for fixed 5G: Key enabling technologies, challenges and trends
J Zhang, T Chang, Z Zhong, X Jin, S Hu… - China …, 2022 - ieeexplore.ieee.org
As the emergence of various high-bandwidth services and the requirements to support
5G/Wi-Fi 6 wireless networks, the next generation fixed networks, ie F5G, are expected to be …
5G/Wi-Fi 6 wireless networks, the next generation fixed networks, ie F5G, are expected to be …
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 …
Burst-error-propagation suppression for decision-feedback equalizer in field-trial submarine fiber-optic communications
In this paper, we present a field-trial C-band 72Gbit/s optical on-off keying (OOK) system
over 18.8 km dispersion-uncompensated submarine optical cable in the South China Sea …
over 18.8 km dispersion-uncompensated submarine optical cable in the South China Sea …
Gerchberg-Saxton based FIR filter for electronic dispersion compensation in IM/DD transmission Part I: Theory and simulation
AS Karar - Journal of Lightwave Technology, 2022 - ieeexplore.ieee.org
Intensity-modulation and direct-detection (IM/DD) transmission over short-reach optical fiber
links, require electronic dispersion compensation (EDC) at the transmitter and/or electronic …
links, require electronic dispersion compensation (EDC) at the transmitter and/or electronic …
Analysis and demonstration of low-complexity joint optical-electrical feedforward equalization (OE-FFE) for dispersion-limited high-speed IM/DD transmission
High-speed intensity-modulation direct-detection (IM/DD) fiber optical transmission system is
of great interest to the applications of datacenter interconnects (DCI) as well as edge/access …
of great interest to the applications of datacenter interconnects (DCI) as well as edge/access …
50 Gbps PAM-4 over up to 80-km transmission with C-band DML enabled by post-equalizer
In this letter, transmission of directly-modulated PAM-4 in C-band is experimentally
demonstrated. Instead of introducing any optical devices for dispersion management, we …
demonstrated. Instead of introducing any optical devices for dispersion management, we …
Low-complexity absolute-term based nonlinear equalizer with weight sharing for C-band 85-GBaud OOK transmission over a 100-km SSMF
A low-complexity absolute-term based nonlinear feed-forward equalizer (FFE) combined
with a decision-feedback equalizer (DFE) with weight sharing (AT-NLE-WS) is proposed and …
with a decision-feedback equalizer (DFE) with weight sharing (AT-NLE-WS) is proposed and …
Data-aided iterative algorithms for linearizing IM/DD optical transmission systems
DSP-enhanced intensity-modulation direct-detection (IM/DD) systems can support up to 56
Gb/s over 100 km signal transmissions at C-band. To achieve higher data rates and longer …
Gb/s over 100 km signal transmissions at C-band. To achieve higher data rates and longer …
Burst errors suppression for MLSE in high-speed IM/DD transmission systems using PAM
J Zhou, J Zhang, X Zhao, C Wang, T Jin, S Hu… - Optics …, 2023 - opg.optica.org
Maximum likelihood sequence estimation (MLSE) is the optimal signal sequence detection
that can remove the inter-symbol interference (ISI). However, we find that the MLSE causes …
that can remove the inter-symbol interference (ISI). However, we find that the MLSE causes …