Progresses of pilot tone based optical performance monitoring in coherent systems

Z Jiang, X Tang, S Wang, G Gao, D Jin… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Pilot tone (PT) is a low frequency, small intensity modulation applied to high speed optical
channel. Traditionally PT is used for channel identification and channel power monitoring. A …

Meta-learning-enabled accurate OSNR monitoring of directly detected QAM signals with one-shot training

Y Cheng, Z Yang, Z Yan, D Liu, S Fu, Y Qin - Optics Letters, 2022 - opg.optica.org
We experimentally demonstrate meta-learning-enabled accurate optical signal-to-noise ratio
(OSNR) monitoring of directly detected 16QAM signals with extremely few training data …

Combined image Hough transform based simultaneous multi-parameter optical performance monitoring for intelligent optical networks

S Kulandaivel, RK Jeyachitra - Optical Fiber Technology, 2023 - Elsevier
The fast-emerging flexible optical networks require intelligent monitoring techniques for
supervising the signal quality performance to achieve the desired efficiency. In this paper …

Joint Modulation Format Identification and Mode Coupling Estimation Scheme Based on ADTP and MT-CNN for Mode Division Multiplexed Systems

F Yang, C Bai, H Gao, X Chi, R Zhang… - 2022 Asia …, 2022 - ieeexplore.ieee.org
We propose a direct detection scheme based on the asynchronous delay-tap plot (ADTP)
and multi-task convolutional neural network (MT-CNN), which realizes the joint monitoring of …

Modulation Format Identification for Coherent Optical Communication Systems Based on Long Short-Term Memory Networks

X Chang, Z Li, Q Zhang, Y Gao, Y Wang… - 2022 20th …, 2022 - ieeexplore.ieee.org
In this paper, we proposed a novel and simple modulation format identification scheme
based on long shortterm memory neural networks by extracting features from raw IQ data …

Optical Fiber Link Parameter Estimation: A Cascaded Neural Network Approach

Y Dhelawat, AM Shukla, S Gupta - 2022 - researchsquare.com
A multi-parameter estimation scheme for optical fiber link is proposed using deep learning
(DL) technique. Instead of using a single model for multi-parameter estimation, a cascaded …