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 …

Higher-order modulation vs faster-than-Nyquist PAM-4 for datacenter IM-DD optics: an AIR comparison under practical bandwidth limits

D Che, X Chen - Journal of Lightwave Technology, 2022 - opg.optica.org
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 …

Emerging optical access network technologies for 5G wireless

X Liu, F Effenberger - Journal of Optical Communications and …, 2016 - opg.optica.org
With the advancement of radio access networks, more and more mobile data content needs
to be transported by optical networks. Mobile fronthaul is an important network segment that …

Gradient-descent noise whitening techniques for short-reach IM-DD optical interconnects with severe bandwidth limitation

Q Wu, Z Xu, Y Zhu, H Ji, Y Yang, G Qiao, L Liu… - Optics …, 2024 - opg.optica.org
Bandwidth limitation in optoelectrical components and the chromatic dispersion-induced
power fading phenomenon cause severe inter-symbol interference (ISI) in high-speed …

Bi-directional 25G/50G TDM-PON with extended power budget using 25G APD and coherent detection

V Houtsma, D van Veen - Journal of Lightwave Technology, 2017 - ieeexplore.ieee.org
In this paper, we experimentally report on cost-effective asymmetric high serial rate time-
division-multiplexed passive optical networks (TDM-PON) with single carrier 25-Gb/s …

A study of options for high-speed TDM-PON beyond 10G

V Houtsma, D van Veen - Journal of Lightwave Technology, 2016 - ieeexplore.ieee.org
In this paper, we present and discuss options for increasing the serial bitrate of time-division-
multiplexed passive optical network (TDM-PON) beyond 10 Gbps. The objective of this …

Demonstration of the first real-time end-to-end 40-Gb/s PAM-4 for next-generation access applications using 10-Gb/s transmitter

J Wei, N Eiselt, H Griesser, K Grobe… - Journal of lightwave …, 2016 - opg.optica.org
We demonstrate the first known experiment of a real-time end-to-end 40-Gb/s pulse
amplitude modulation (PAM)-4 system for next-generation access applications using 10 …

Demonstration of symmetrical 25 Gbps TDM-PON with 31.5 dB optical power budget using only 10 Gbps optical components

V Houtsma, D van Veen - 2015 European Conference on …, 2015 - ieeexplore.ieee.org
First demonstration of symmetrical 25-Gbps TDM-PON with 31.5-dB class N2 power-budget
over 0-20 km at 1556-nm using only 10-Gbps optical components. EDFAs are used as …

8× 10 Gb/s downstream PAM-4 transmission for cost-effective coherent WDM-PON application

J Zhou, L Gan, C Chen, S Fu, M Tang… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
We experimentally demonstrate digital signal processing (DSP)-free 8× 10 Gb/s 4-level
pulse-amplitude modulation (PAM-4) transmission for cost-effective coherent wavelength …

Multi-band CAP for next-generation optical access networks using 10-G optics

J Wei, E Giacoumidis - Journal of Lightwave Technology, 2017 - ieeexplore.ieee.org
40-Gb/s/λ multi-band carrierless amplitude and phase (CAP) modulation long-reach passive
optical networks were demonstrated using 10-G class transceivers only. A major issue of …