Digital Twin of Optical Networks: A Review of Recent Advances and Future Trends

D Wang, Y Song, Y Zhang, X Jiang… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Digital twin (DT) has revolutionized optical communication networks by enabling their full life-
cycle management, including planning, prediction, optimization, upgrade, and …

Linear least squares estimation of fiber-longitudinal optical power profile

T Sasai, M Takahashi, M Nakamura… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
This paper presents a linear least squares method for fiber-longitudinal power profile
estimation (PPE), which estimates the optical signal power distribution throughout a fiber …

End-to-end deep learning for a flexible coherent PON with user-specific constellation optimization

S Xing, Z Li, C Huang, G Li, A Sun, A Yan… - Journal of Optical …, 2023 - opg.optica.org
A flexible coherent passive optical network (FLCS-CPON) is a promising solution for the
future access network. By offering increased speed, sensitivity, and flexibility, it enables …

Measurement informed models and digital twins for optical fiber communication systems

MS Faruk, SJ Savory - Journal of Lightwave Technology, 2023 - ieeexplore.ieee.org
Digital coherent transceivers have developed to the stage that they can monitor the physical
state of an optical network and thus are capable of generating data to build measurement …

Building a digital twin of an EDFA for optical networks: a gray-box modeling approach

Y Liu, X Liu, Y Zhang, M Cai, M Fu, X Zhong… - Journal of Optical …, 2023 - opg.optica.org
High-accuracy physical layer models enable intelligent, self-driving optical networks. The
dynamic wavelength-dependent gain characteristics of erbium-doped fiber amplifiers …

Entanglement Routing in Quantum Networks: A Comprehensive Survey

A Abane, M Cubeddu, VS Mai, A Battou - arXiv preprint arXiv:2408.01234, 2024 - arxiv.org
Entanglement routing in near-term quantum networks consists of choosing the optimal
sequence of short-range entanglements to combine through swapping operations to …

Field trial of concurrent co-cable and co-trench optical fiber online identification based on ensemble learning

Y Li, D Zhang, Z Wang, H Yang, T Yu, Q Yao, S Liu… - Optics …, 2023 - opg.optica.org
The co-route optical fibers, comprising both co-cable and co-trench fibers, pose a significant
potential risk to network service quality assurance by operators. They are incapable of …

Applications of the OCATA time domain digital twin: from QoT estimation to failure management

M Devigili, M Ruiz, N Costa, C Castro… - Journal of Optical …, 2024 - opg.optica.org
Optical in-phase and quadrature (IQ) constellations enclose valuable information regarding
the optical elements traversed by the optical signal. Such information can be extracted and …

Application of Category Theory to Network Service Fault Detection

P Martinez-Julia, VP Kafle… - IEEE Open Journal of the …, 2024 - ieeexplore.ieee.org
Network automation has become crucial in supporting services in 6G networks. This mainly
derives from the complexity of the composition of numerous distributed virtual network …

Building a digital twin for large-scale and dynamic C+ L-band optical networks

Y Zhang, M Zhang, Y Song, Y Shi… - Journal of Optical …, 2023 - ieeexplore.ieee.org
Bridging the gap between the real and virtual worlds, a digital twin (DT) leverages data,
models, and algorithms for comprehensive connectivity. The research on DTs in optical …