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Optical Processing for Performance Monitoring
Nonlinear optical signal processing Nonlinear optical devices
2015/5/25
We review recent experiments of waveform spectrum analysis by the nonlinear Kerr effect, and its application to multi-impairment monitoring of optical signals. The measurement of 640 Gb/s signals via ...
A Novel Monitor Placement Algorithm for Accurate Performance Monitoring in Optical Network
Optical Network Accurate Performance Monitoring Placement Algorithm
2015/5/15
We propose a novel monitor placement algorithm that reduces significantly the number of monitors required to accurately assess the QoT of all lightpaths established in an optical network, compared to ...
All-optical multi-impairment performance monitoring of 640 Gb/s optical signals using a chalcogenide photonic chip
Nonlinear optical signal processing Nonlinear optics devices
2015/6/9
We demonstrate multi-impairment monitoring of 640 Gb/s signals enabled by a broadband photonic-chip-based radio-frequency spectrum analyser. We show simultaneous monitoring of group velocity dispersio...
Two-Stage Constant Modulus Algorithm Equalizer for Singularity Free Operation and Optical Performance Monitoring in Optical Coherent Receiver
Fiber optics communications Coherent communications Polarization
2015/6/5
A two-stage constant-modulus-algorithm (CMA) equalizer for polarization-demultiplexing in a polarization-division-multiplexed coherent receiver is demonstrated. The equalizer eliminates the singularit...
Experimental Comparison of Performance Monitoring Using Neural Networks Trained with Parameters Derived from Delay-Tap Plots and Eye Diagrams
Fiber optics communications Pattern recognition neural networks
2015/6/4
We experimentally demonstrate the use of artificial neural networks trained with parameters derived from both delay-tap plots and eye diagrams for multi-impairment monitoring in a 40-Gbit/s non-return...
Optical Performance Monitoring for Intelligent Networks
Optical Performance Monitoring Intelligent Networks
2015/7/20
Optical Performance Monitoring is a key enabler for fully reconfigurable and transparent optical networks. In this paper we review the technologies and challenges for monitoring 40G/100G networks with...
Optical Performance Monitoring of Data Degradation by Evaluating the Deformation of an Asynchronously Generated I/Q Data Constellation
Optical Performance Monitoring Degradation Asynchronously Generated I/Q Data Constellation
2015/7/17
We present a technique of using asynchronously generated constellation pattern to simultaneously monitor CD and first order PMD in DQPSK systems. By characterizing deformations in the patterns, the am...
Optical Performance Monitoring of PSK Data Channels Using Artificial Neural Networks Trained with Parameters Derived from Delay-Tap Asynchronous Diagrams via Balanced Detection
Optical Performance Monitoring PSK Data Channels Artificial Neural Networks Trained Parameters Derive
2015/7/17
We demonstrate a technique of using artificial neural networks for optical performance monitoring of PSK data signals. Parameters for training are derived from delay-tap asynchronous diagrams using ba...
Optical Performance Monitoring Techniques;Current Status and Future Challenges
Optical Performance Monitoring Techniques
2015/7/31
The optical performance monitoring technique is of critical importance for the continual advancement of dynamic WDM networks. This paper reviews its current status and future challenges.
Optical Performance Monitoring Techniques;Current Status and Future Challenges
Optical Performance Monitoring Techniques Current Status Future Challenges
2015/7/30
The optical performance monitoring technique is of critical importance for the continual advancement of dynamic WDM networks. This paper reviews its current status and future challenges.