Building a digital twin for intelligent optical networks [Invited Tutorial]

Q Zhuge, X Liu, Y Zhang, M Cai, Y Liu… - Journal of Optical …, 2023 - opg.optica.org
To support the development of intelligent optical networks, accurate modeling of the physical
layer is crucial. Digital twin (DT) modeling, which relies on continuous learning with real-time …

Digital longitudinal monitoring of optical fiber communication link

T Sasai, M Nakamura, E Yamazaki… - Journal of Lightwave …, 2021 - opg.optica.org
Optical transmission links are generally composed of optical fibers, optical amplifiers, and
optical filters. In this paper, we present a channel reconstruction method (CRM) that extracts …

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 …

Performance limit of fiber-longitudinal power profile estimation methods

T Sasai, E Yamazaki, Y Kisaka - Journal of Lightwave Technology, 2023 - opg.optica.org
This paper presents analytical results on longitudinal power profile estimation (PPE)
methods, which visualize signal power evolution in optical fibers at a coherent receiver. The …

Physics-informed neural network for optical fiber parameter estimation from the nonlinear Schrödinger equation

X Jiang, D Wang, X Chen… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
For any system that follows rigorous mathematical and physical theories like fiber-optic
system, system parameter estimation is crucial for system detection and monitoring. In this …

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 …

Concept and implementation study of advanced DSP-based fiber-longitudinal optical power profile monitoring toward optical network tomography

T Tanimura, S Yoshida, K Tajima, S Oda… - Journal of optical …, 2021 - opg.optica.org
A new class of digital signal processing (DSP)-based fiber-longitudinal optical power profile
monitor has recently been proposed and demonstrated toward optical network tomography …

Machine learning-enabled intelligent fiber-optic communications: major obstacles and the way forward

FN Khan - IEEE Communications Magazine, 2022 - ieeexplore.ieee.org
Machine learning (ML) has achieved phenomenal success in revolutionizing a number of
science and engineering disciplines over the last decade. Naturally, it is also being …

Longitudinal power monitoring over a deployed 10,000-km link for submarine systems

A May, F Boitier, AC Meseguer… - 2023 Optical Fiber …, 2023 - ieeexplore.ieee.org
Longitudinal Power Monitoring over a deployed 10,000-km Link for Submarine Systems
Page 1 Longitudinal Power Monitoring over a deployed 10,000-km Link for Submarine …

DSP-based link tomography for amplifier gain estimation and anomaly detection in C+ L-band systems

M Sena, R Emmerich, B Shariati… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
A successful migration from current C-band based optical networks to a multiband scenario
primarily depends on the development of solutions that can reliably measure physical …