Proposal of Linear Least Squares for Fiber-Nonlinearity-Based Longitudinal Power Monitoring in Multi-Span Link
Takeo Sasai, Etsushi Yamazaki, Masanori Nakamura, Yoshiaki Kisaka
20222022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC)23 citationsDOI
Abstract
We propose a linear least-square method that reveals signal power evolutions of multi-span optical links. Results demonstrate that the proposed method provides an excellent agreement with the theoretical power and localizes even a 0.2-dB attenuation.
Topics & Concepts
Span (engineering)AttenuationPower (physics)Nonlinear systemLink (geometry)Optical linkOptical fiberSIGNAL (programming language)Least-squares function approximationOpticsSquare (algebra)Computer scienceElectronic engineeringPhysicsMathematicsEngineeringStatisticsStructural engineeringGeometryProgramming languageEstimatorComputer networkQuantum mechanicsOptical Network TechnologiesAdvanced Photonic Communication SystemsPhotonic and Optical Devices