Results 121 to 130 of about 32,711 (174)

Optical Signal-to-Noise Ratio Monitoring Based on Statistical Moments Using Artificial Neural Network

Asia Communications and Photonics conference and Exhibition, 2020
We experimentally demonstrate an optical signal-to-noise ratio (OSNR) monitoring method based on statistical moments in combination with artificial neural network (ANN).
Feng Wang, Shencheng Ni, Shuying Han, S. You, Ming Luo, Zhixue He   +5 more
semanticscholar   +1 more source

Gain-forming effect on optical signal-to-noise ratio in Raman fiber amplifier

Journal of optical communications, 2020
We have introduced the comprehensive optical-to-noise ratio (OSNR) to investigate simultaneously the effects of all three major linear noise sources in distributed Raman fiber amplifier (DRFA).
S. H. Kazemi, A. Jebelli, Leila Sirzad
semanticscholar   +1 more source

Fiber Bragg grating based linear cavity fibre laser temperature sensor with enhanced optical signal-to-noise ratio

Laser physics, 2019
An optical temperature sensor based on linear cavity erbium-doped fiber laser is proposed in this work. A fiber Bragg grating is utilized in the laser cavity as the sensor head for temperature detection.
N. A. N. Jaharudin, N. A. Cholan, M. A. Omar, R. Talib, N. Ngajikin   +4 more
semanticscholar   +1 more source

Coherent Optical Sampling Based Method for Monitoring Optical Signal to Noise Ratio of High Speed Optical Fiber Communication Systems

2019 7th International Conference on Information, Communication and Networks (ICICN), 2019
Optical signal to noise ratio (OSNR) is a critical performance parameter of an optical fiber communication system. A method for OSNR monitoring based on coherent optical sampling technology is presented. The estimated error of a 10-GBd QPSK signal is
Qingzhao Tan, Ziyi Wang, Aiying Yang, Peng Guo   +3 more
semanticscholar   +1 more source

Simultaneous Monitoring of Chromatic Dispersion and Optical Signal to Noise Ratio in Optical Network Using Asynchronous Delay Tap Sampling and Convolutional Neural Network (Deep Learning)

International Conference on Transparent Optical Networks, 2018
The article presents the possibilities of using Asynchronous Delay Tap Sampling (ADTS) and Convolutional Neural Network (CNN) methods to simultaneously monitor the parameters of Chromatic Dispersion (CD) and Optical Signal to Noise Ratio (OSNR), which ...
T. Mrozek
semanticscholar   +1 more source

Adaptive Kalman filter for polarization and phase recovery in wide ranges of optical signal-to-noise ratio, polarization rotation frequency, and laser linewidth

Optical Engineering: The Journal of SPIE, 2018
. An adaptive Kalman filter (AKF) scheme for joint polarization and phase recovery is proposed and experimentally demonstrated. In this scheme, the noise covariance is estimated adaptively along with the recursive of KF.
Qian Xiang, Yanfu Yang, Qun Zhang, Qi-fang He, Yong Yao   +4 more
semanticscholar   +1 more source

Measuring of Optical Signal to Noise Ratio in High-Speed Coherent Channels of Optical Transmission Systems

2024 Systems of Signals Generating and Processing in the Field of on Board Communications
In this paper we discuss the methods for measuring optical signal to noise ratio (OSNR) in high-speed coherent channels of optical transmission systems.
L. N. Isaeva, A. V. Lobzov, S. S. Kogan
semanticscholar   +1 more source

Combined modulation format identification and optical signal-to-noise ratio monitoring with high accuracy and generalizability based on a proposed fused module few-shot learning algorithm in dynamic coherent optical transmissions.

Optics Express
Modulation format identification (MFI) and optical signal-to-noise ratio (OSNR) monitoring are important portions of optical performance monitoring (OPM) for future dynamic optical networks.
Di Zhang, Hanyu Zhang, Yameng Cao, Yan Ling Xue   +3 more
semanticscholar   +1 more source

Optical Signal-to-Noise Ratio Monitoring Based On Back-Propagation Network With an Autoencoder

Asia Communications and Photonics conference and Exhibition, 2018
A novel optical signal-to-noise ratio (OSNR) monitoring technique is proposed using the Back-Propagation network with an autoencoder. The simulation results show that the OSNR can be estimated precisely.
Yuxiao Guo, Muguang Wang, H. Mu, Mengyao Han, Yan Liu   +4 more
semanticscholar   +1 more source

Ultra-High Signal-to-Noise Ratio and Ultra-Narrow Linewidth Brillouin Fiber Laser for Linewidth Measurement at 2 $\mu$m

Journal of Lightwave Technology
2 $\mu$m single frequency fiber lasers (SFFLs) have attracted wide attention thanks to their excellent laser performance and great application potentials in the operation waveband. This work presents an ultra-high optical signal-to-noise ratio (OSNR) and
Yingying Wang, Lingling Yang, Zhaolong Liao, Peiqing Zhang, Shixun Dai   +4 more
semanticscholar   +1 more source