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Front Side Power Monitoring in TO-Can RSOA Module with Monitoring Photodiode and Thermoelectric Cooler
Semiconductor optical amplifiers Optical communications
2010/6/4
We reports power monitoring characteristics in RSOA TO-module with m-PD, TEC and thermistor. By monitoring output power at the front of RSOA, monitor current linearity can be improved and monitoring w...
Demonstration of Simultaneous OSNR and CD Monitoring using Asynchronous Delay Tap Sampling on an 800 km WDM Test Bed
Simultaneous OSNR CD Monitoring Asynchronous Delay Tap Sampling WDM Test Bed
2009/7/20
We demonstrate simultaneous monitoring of OSNR and CD using asynchronous delay-tap sampling on a commercial WDM system. Accuracies of 0.5 dB for OSNR and 30 ps/nm for CD was obtained in the presence o...
Optical Performance Monitoring for Intelligent Networks
Optical Performance Monitoring Intelligent Networks
2009/7/20
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
2009/7/17
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
2009/7/17
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...
Novel Technique for On-Site Signal-Monitoring in PON Systems without Service Interruption
Novel Technique Signal-Monitoring PON Systems Service Interruption
2009/7/14
We propose an on-site signal-monitoring technique using a mechanically-induced long-period grating(LPG) for monitoring specific service signals without service interruption. Using the LPG, leaked sign...