Results 41 to 50 of about 19,053 (108)
Deep Learning Assisted Pre-Carrier Phase Recovery EVM Estimation for Coherent Transmission Systems [PDF]
, 2021 We exploit deep supervised learning and amplitude histograms of coherent optical signals captured before carrier phase recovery (CPR) to perform time-sensitive and accurate error vector magnitude (EVM) estimation for 32 Gbaud mQAM signal monitoring ...
Fan, Yuchuan +7 more
core +3 more sources
Intelligent optical performance monitor using multi-task learning based artificial neural network
, 2018 An intelligent optical performance monitor using multi-task learning based artificial neural network (MTL-ANN) is designed for simultaneous OSNR monitoring and modulation format identification (MFI).
Shu, * Liang +5 more
core +1 more source
Optimization and performance of an optical cardio-magnetometer [PDF]
, 2004 Cardiomagnetometry is a growing field of noninvasive medical diagnostics that has triggered a need for affordable high-sensitivity magnetometers. Optical pumping magnetometers are promising candidates satisfying that need since it was demonstrated that ...
Alexandrov +16 more
core +2 more sources
Root Cause Analysis for Autonomous Optical Networks: A Physical Layer Security Use Case [PDF]
, 2020 To support secure and reliable operation of optical networks, we propose a framework for autonomous anomaly detection, root cause analysis and visualization of the anomaly impact on optical signal parameters.\ua0Verification on experimental physical ...
Di Giglio, Andrea +3 more
core +1 more source
Demonstration of Machine-Learning-Assisted Security Monitoring in Optical Networks [PDF]
, 2019 We report on the first demonstration of machine-learning-assisted detection, identification and localisation of optical-layer attacks integrated into network management system and verified on real-life experimental attack traces from a network operator ...
Aerts, Nieke +7 more
core +1 more source
IEEE Photonics Journal, 2019 We propose and experimentally demonstrate a novel cost-effective and distributed in-band optical signal-to-noise ratio (OSNR) monitoring method using a widely tunable optical bandpass filter and optical power measurements, which employs the Gaussian ...
Chunjie Hu +5 more
doaj +1 more source
Optical performance monitoring in optical packet-switched networks [PDF]
, 2010 Para poder satisfacer la demanda de mayores anchos de banda y los requisitos de los nuevos servicios, se espera que se produzca una evolución de las redes ópticas hacia arquitecturas reconfigurables dinámicamente. Esta evolución subraya la importancia de
Vilar Mateo, Ruth
core +1 more source
IEEE Photonics Journal, 2018 The reference optical spectrum (ROS) based in-band optical signal-to-noise-ratio (OSNR) monitoring methods are accurate and inherently robust to fiber chromatic dispersion and polarization mode dispersion.
Guo Yin +3 more
doaj +1 more source
IEEE Photonics Journal, 2012 We analytically investigate and derive equations for the empirical moments of asynchronously sampled signal amplitudes as functions of signal power, noise power, and accumulated chromatic dispersion (CD) of a transmission link.
Faisal Nadeem Khan +5 more
doaj +1 more source
Challenges and Requirements for Introducing Impairment-awareness into the Management and Control Planes of ASON/GMPLS WDM Networks [PDF]
, 2006 The absence of electrical regenerators in transparent WDM networks significantly contributes to reduce the overall network cost. In transparent WDM networks, a proper resource allocation requires that the presence of physical impairments in Routing and ...
ANDRIOLLI, Nicola +8 more
core +1 more source