Low-cost, large-coverage, and high-flexibility coherent PON for next-generation access networks: advances, challenges, and prospects
Increasing bandwidth requirements have posed significant challenges for traditional access
networks. It is difficult for intensity modulation/direct detection to meet the power budget and …
networks. It is difficult for intensity modulation/direct detection to meet the power budget and …
High-speed reach-extended IM-DD system with low-complexity DSP for 6G fronthaul
P Zhu, Y Yoshida, K Akahane… - Journal of Optical …, 2024 - opg.optica.org
With the rising traffic demand from the metaverse, holographic communications, and so on,
in beyond-5G (B5G)/6G cloud radio access networks (C-RANs), fronthaul (FH) networks that …
in beyond-5G (B5G)/6G cloud radio access networks (C-RANs), fronthaul (FH) networks that …
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 …
Low-complexity frequency-domain nonlinear equalizer with absolute operation for underwater wireless optical communications
A low-complexity 3^ rd-order frequency-domain nonlinear equalizer (FD-NLE) with absolute
operation is proposed and experimentally demonstrated for underwater wireless optical …
operation is proposed and experimentally demonstrated for underwater wireless optical …
Chirped managed laser for multilevel modulation formats: a semi-analytical approach for efficient filter design
The performance of a directly modulated laser (DML) in a direct detect system is greatly
impaired by its inherent frequency chirp and chromatic dispersion of the optical fiber, limiting …
impaired by its inherent frequency chirp and chromatic dispersion of the optical fiber, limiting …
Underwater wireless optical communication utilizing low-complexity sparse pruned-term-based nonlinear decision-feedback equalization
The nonlinearity of the light-emitting diode (LED) in underwater wireless optical
communication (UWOC) systems is considered the one major limiting factor that degrades …
communication (UWOC) systems is considered the one major limiting factor that degrades …
Reducing computation complexity by using elastic net regularization based pruned Volterra equalization in a 80 Gbps PAM-4 signal for inter-data center interconnects
Volterra equalization (VE) presents substantial performance enhancement for high-speed
optical signals but suffers from high computation complexity which limits its physical …
optical signals but suffers from high computation complexity which limits its physical …
Low-complexity sparse absolute-term based nonlinear equalizer for C-band IM/DD systems
A low-complexity sparse absolute-term based nonlinear equalizer (AT-NLE) is proposed to
eliminate the nonlinear signal distortions for intensity modulation and direct detection …
eliminate the nonlinear signal distortions for intensity modulation and direct detection …
Experimental demonstration of low-complexity trigonometric-memory-polynomial decision-feedback equalizer for nonlinear compensation in IM/DD optical systems
X Liu, Y Liu, C Hu, J Zhao - Optics Express, 2024 - opg.optica.org
We propose a simple but high-performance trigonometric-memory-polynomial decision-
feedback equalizer (TMP-DFE) to cope with the nonlinear distortions in intensity-modulation …
feedback equalizer (TMP-DFE) to cope with the nonlinear distortions in intensity-modulation …
Comparison of low-complexity sparse and weight-sharing nonlinear equalizers for C-band 100-Gbit/s DSB PAM-4 transmission over 60-km SSMF
To cope with the nonlinear distortions and the chromatic dispersion (CD) induced power
fading in double-side band (DSB) intensity modulation and direct detection (IM/DD) …
fading in double-side band (DSB) intensity modulation and direct detection (IM/DD) …