Coherent passive optical network: applications, technologies, and specification development [Invited Tutorial]

Z Jia, H Zhang, K Choutagunta… - Journal of Optical …, 2025 - opg.optica.org
This paper presents a comprehensive overview of the emerging coherent passive optical
network (CPON) technology and its role in the evolution of next-generation PON …

IQ Skew and Imbalance Estimation for Coherent Point-to-Multi-Point Optical Networks

J Zhou, J Zeng, H Wang, D Guo, L Li… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Coherent point-to-multi-point (PtMP) optical network based on digital subcarrier multiplexing
(DSCM) has been a promising technology for metro and access networks to achieve cost …

Digital Coherent Receiver Enabling Nyquist Wavelength Demultiplexing Under Frequency Offset and Receiver-Side IQ Impairments

T Kuno, Y Mori, H Hasegawa - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
Nyquist WDM systems generally use non-adaptive digital filters with sharp cut-off
characteristics to extract the target wavelength signal. Unfortunately, wavelength division …

Local and remote laser frequency control in point-to-multipoint networks using digital subcarriers

S Ranzini, CRS Fludger, T Duthel, B Liu… - 49th European …, 2023 - ieeexplore.ieee.org
Local and remote laser frequency control in point-to-multipoint networks using digital subcarriers
Page 1 Local and Remote Laser Frequency Control in Point-to-Multipoint Networks Using Digital …

Wavelength division demultiplexing of Nyquist WDM signals under frequency offset and receiver-side IQ impairments

T Kuno, Y Mori, H Hasegawa - 49th European Conference on …, 2023 - ieeexplore.ieee.org
The interaction among wavelength division demultiplexing (WDD), frequency offset
estimation, and receiver-side IQ impairment compensation in Nyquist WDM systems is …

Enabling Endogenous DAS in P2MP Digital Subcarrier Coherent Transmission System with Enhanced Frequency Response

Z Hu, C Zhao, Y Chen, M Zhang, J Chen… - 2024 Optical Fiber …, 2024 - ieeexplore.ieee.org
Enabling Endogenous DAS in P2MP Digital Subcarrier Coherent Transmission System with
Enhanced Frequency Response Page 1 Enabling Endogenous DAS in P2MP Digital Subcarrier …

Study and implementation of nonlinear equalizers using artificial neural networks for coherent optical transmission systems

ASS Fernandez - 2024 - theses.hal.science
The fiber nonlinearity is considered the ultimate barrier to reaching the Shannon capacity,
particularly relevant in coherent systems that rely on phase shift modulation schemes. In …

Longitudinal Power Monitoring Performance with Subcarrier Multiplexing Transmission

L Andrenacci, G Bosco, D Pilori - 2023 IEEE Photonics …, 2023 - ieeexplore.ieee.org
Longitudinal Power Monitoring Performance with Subcarrier Multiplexing Transmission Page 1
Longitudinal Power Monitoring Performance with Subcarrier Multiplexing Transmission Lorenzo …

Cost effective 100G coherent PON enabled by remote tone delivery and simplified carrier recovery for burst processing

H Zhang, Z Jia, LA Campos… - … European Conference on …, 2023 - ieeexplore.ieee.org
We present a remote optical tone delivery and simplified DSP algorithms for low-cost
implementations of 100G TFDM coherent PON. A 50 km upstream burst transmission with 32 …

Upcoming challenges in signal processing for optical fiber communications

S Randel - 49th European Conference on Optical …, 2023 - ieeexplore.ieee.org
Upcoming challenges in signal processing for optical fiber communications Page 1 Upcoming
Challenges in Signal Processing for Optical Fiber Communications Sebastian Randel Institute of …