Recent advances in equalization technologies for short-reach optical links based on PAM4 modulation: A review

H Zhou, Y Li, Y Liu, L Yue, C Gao, W Li, J Qiu, H Guo… - Applied Sciences, 2019 - mdpi.com
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 …

Efficient preamble design and digital signal processing in upstream burst-mode detection of 100G TDM coherent-PON

J Zhang, Z Jia, M Xu, H Zhang… - Journal of Optical …, 2021 - opg.optica.org
Coherent optics has been proved to be a promising candidate for 100 Gb/s and even
beyond single-wavelength time-division multiplexing passive optical networks (TDM-PONs) …

End-to-end optimized transmission over dispersive intensity-modulated channels using bidirectional recurrent neural networks

B Karanov, D Lavery, P Bayvel, L Schmalen - Optics express, 2019 - opg.optica.org
We propose an autoencoding sequence-based transceiver for communication over
dispersive channels with intensity modulation and direct detection (IM/DD), designed as a …

Low complexity neural network equalization based on multi-symbol output technique for 200+ Gbps IM/DD short reach optical system

B Sang, W Zhou, Y Tan, M Kong, C Wang… - Journal of Lightwave …, 2022 - opg.optica.org
Nowadays, Neural network (NN) has been proved to be an effective solution for nonlinear
equalization in short reach optical systems. However, recent research has mainly focused …

Strategies for economical next-generation 50G and 100G passive optical networks

D van Veen, V Houtsma - Journal of Optical Communications and …, 2020 - opg.optica.org
This paper discusses whether scaling current time-division-multiplexed passive optical
network technology based on intensity modulation with direct detection with on–off-keying to …

Transceiver technologies for passive optical networks: past, present, and future [Invited Tutorial]

V Houtsma, A Mahadevan, N Kaneda… - Journal of Optical …, 2020 - ieeexplore.ieee.org
This paper provides an overview of transceiver technologies to be used for current and next-
generation passive optical networks (PONs). The uninterrupted scaling of PONs to higher …

Comparative study of cost-effective coherent and direct detection schemes for 100 Gb/s/λ PON

Y Zhu, L Yi, B Yang, X Huang, JS Wey… - Journal of Optical …, 2020 - opg.optica.org
As the capacity of the next-generation passive optical network (PON) is reaching 100 Gb/s
and beyond, cost-effective transceivers have been widely discussed. In this work, we …

SOA pattern effect mitigation by neural network based pre-equalizer for 50G PON

L Xue, L Yi, R Lin, L Huang, J Chen - Optics Express, 2021 - opg.optica.org
Semiconductor optical amplifier (SOA) is widely used for power amplification in O-band,
particularly for passive optical networks (PONs) which can greatly benefit its advantages of …

Fixed-point analysis and FPGA implementation of deep neural network based equalizers for high-speed PON

N Kaneda, CY Chuang, Z Zhu… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
Adeep neural network based equalizer is proposed to mitigate the intersymbol interference
observed in next generation high speed passive optical network (PON) links. The DNN …

SOA pre-amplified 100 Gb/s/λ PAM-4 TDM-PON downstream transmission using 10 Gbps O-band transmitters

J Zhang, J Yu, JS Wey, X Li, L Zhao, K Wang… - Journal of Lightwave …, 2020 - opg.optica.org
We experimentally demonstrate the downstream transmission of a 100 Gb/s/λ time division
multiplexed passive optical network (TDM-PON) based on four-level pulsed amplitude …