Results 1 to 10 of about 271 (100)

Metasurface-integrated atomic magnetometer using single-frequency dual beams. [PDF]

Nanophotonics
Abstract Quantum sensing is rapidly advancing, creating new opportunities in fields such as fundamental science and advanced manufacturing. The optically pumped atomic magnetometer (OPM), known for its high sensitivity and compact form factor, has become a promising candidate for a range of applications.
Li R, Sun S, Zhang J, Li J.
europepmc   +2 more sources

Optical Performance Monitoring Method Based on Fine-grained Constellation Diagram Recognition [PDF]

Jisuanji kexue, 2023
In optic fiber communication,traditional optical performance monitoring(OPM) mainly relies on analyzing the time-frequency domain information of the signal.However,conventional methods cannot complete multi-task joint monitoring,so they are less flexible.
CHEN Jinjie, HE Chao, XIAO Xiao, LEI Yinjie
doaj   +1 more source

Machine Learning Based Low-Cost Optical Performance Monitoring in Mode Division Multiplexed Optical Networks

Photonics, 2022
Real-time optical performance monitoring (OPM) is of the utmost importance in adaptive optical networks to enable awareness of channel conditions and to achieve high quality of service.
Waddah S. Saif, Amr M. Ragheb, Maged A. Esmail, Mohamed Marey, Saleh A. Alshebeili   +4 more
doaj   +1 more source

Optical Labels Enabled Optical Performance Monitoring in WDM Systems

Photonics, 2022
Optical performance monitoring (OPM), particularly the optical power and optical signal-to-noise ratio (OSNR) of each wavelength channel, are of great importance and significance and need to be implemented to ensure stable and efficient operation ...
Tao Yang, Kaixuan Li, Zhengyu Liu, Xue Wang, Sheping Shi, Liqian Wang, Xue Chen   +6 more
doaj   +1 more source

Machine Learning-Based Optical Performance Monitoring for Super-Channel Optical Networks

Photonics, 2022
In this paper, and for the first time in literature, optical performance monitoring (OPM) of super-channel optical networks is considered. In particular, we propose a novel machine learning OPM technique based on the use of transformed in-phase ...
Waddah S. Saif, Amr M. Ragheb, Bernd Nebendahl, Tariq Alshawi, Mohamed Marey, Saleh A. Alshebeili   +5 more
doaj   +1 more source

Joint Fiber Nonlinear Noise Estimation, OSNR Estimation and Modulation Format Identification Based on Asynchronous Complex Histograms and Deep Learning for Digital Coherent Receivers

Sensors, 2021
In this paper, asynchronous complex histogram (ACH)-based multi-task artificial neural networks (MT-ANNs), are proposed to realize modulation format identification (MFI), optical signal-to-noise ratio (OSNR) estimation and fiber nonlinear (NL) noise ...
Shuailong Yang, Liu Yang, Fengguang Luo, Bin Li, Xiaobo Wang, Yuting Du, Deming Liu   +6 more
doaj   +1 more source

Survey on Applications of Machine Learning in Low-Cost Non-Coherent Optical Systems: Potentials, Challenges, and Perspective

Photonics, 2023
Direct Detection (DD) optical performance monitoring (OPM), Modulation Format Identification (MFI), and Baud Rate Identification (BRI) are envisioned as crucial components of future-generation optical networks. They bring to optical nodes and receivers a
Muhammad Alrabeiah, Amr M. Ragheb, Saleh A. Alshebeili, Hussein E. Seleem   +3 more
doaj   +1 more source

Multi-Task Learning Convolutional Neural Network and Optical Spectrums Enabled Optical Performance Monitoring

IEEE Photonics Journal, 2022
We propose a simultaneous optical signal recognition (OSR) and optical signal-to-noise ratio (OSNR) monitoring method by using multi-task learning convolutional neural network (MTL-CNN) in conjunction with optical spectrums, which enables optical ...
Chenglong Yu, Haoyu Wang, Changjian Ke, Zi Liang, Sheng Cui, Deming Liu   +5 more
doaj   +1 more source

Reliable Optical Performance Monitor: The Combination of Parallel Framework and Skip Connected Generative Adversarial Network

IEEE Access, 2020
Future optical network is developing towards highly heterogeneity and flexibility, which means that the various signals will be transmitted in the network and the optical performance monitor is more likely to encounter the signal beyond its monitoring ...
Xiaojie Fan, Fang Ren, Jingyu Zhang, Yiying Zhang, Jingjing Niu, Jianping Wang   +5 more
doaj   +1 more source

Experimental Demonstration of Linear Inter-Channel Interference Estimation Based on Neural Networks

IEEE Photonics Journal, 2023
In this paper, an algorithm for the estimation of the linear inter-channel crosstalk in a dense-WDM polarization-multiplexed 16-QAM transmission scenario is proposed and demonstrated.
A. Hraghi, L. Minelli, A. Nespola, S. Piciaccia, G. Bosco   +4 more
doaj   +1 more source