Results 41 to 50 of about 1,233,950 (356)
All-optical differential current detection technique for unit protection applications [PDF]
, 2013 In this paper we demonstrate a novel, all-optical differential current protection scheme. By monitoring the optical power reflected from two matched hybrid fiber Bragg grating current sensors and using a simple optoelectronic threshold detector, an ...
Fusiek, Grzegorz +3 more
core +1 more source
IEEE Photonics Journal, 2023 In this paper, a joint OSNR and nonlinear noise power estimation scheme based on multi-task deep neural network (MT-DNN) is proposed with the advantages of dispersion-insensitive, modulation-format-transparent for high-speed, long-haul, multi-channel ...
Mengyan Li +6 more
doaj +1 more source
Optical contamination screening of materials with a high-finesse Fabry-Perot cavity resonated continuously at 1.06-µm wavelength in vacuum [PDF]
, 1999 An optical-loss measurement system based on a resonant Fabry Perot cavity at 1.06µm in vacuum has been developed for independent monitoring of the cavity total loss and the optical absorption loss.
Camp, Jordan, Coyne, Dennis, Li, Daqun
core +1 more source
IEEE Photonics Journal, 2018 This paper considers Godard's error as signal quality metric to monitor chromatic dispersion (CD), nonlinear parameter, and modulation format in the DSP module of the coherent receivers.
Lin Jiang +7 more
doaj +1 more source
Multi-Functional Optical Spectrum Analysis Using Multi-Task Cascaded Neural Networks
IEEE Photonics Journal, 2022 In the optical communication systems, the optical spectrum (OS) provides useful informations for optical performance monitoring and optical link diagnosis.
Haoyu Wang +5 more
doaj +1 more source
Machine Learning-Based Multifunctional Optical Spectrum Analysis Technique
IEEE Access, 2019 A machine learning (ML)-based multifunctional optical spectrum analysis technique is proposed to perform not only the conventional analysis functions but also the extended analysis functions, including center wavelength detection, optical signal-to-noise
Danshi Wang +6 more
doaj +1 more source
The Use of an Optical Measurement System to Monitor Sports Performance [PDF]
Sports, 2018 The purpose of this study was to compare ground contact time between an optical measurement system and a force platform. Participants in this study included six collegiate level athletes who performed drop jumps and sprint strike steps for a total of 15 repetitions each.
Eric D. Magrum +4 more
openaire +5 more sources
IEEE Photonics Journal, 2012 We propose and demonstrate a chromatic dispersion (CD) monitoring technique for a nonreturn-to-zero differential phase-shift keying (NRZ-DPSK) signal generated with a Mach-Zehnder modulator at 40 Gb/s by analyzing the waveform overshoot after ...
Zhao Wu, Yu Yu, Xinliang Zhang
doaj +1 more source
Experimental Demonstration of Linear Inter-Channel Interference Estimation Based on Neural Networks
IEEE Photonics Journal, 2023 In this paper, an algorithm for the estimation of the linear inter-channel crosstalk in a dense-WDM polarization-multiplexed 16-QAM transmission scenario is proposed and demonstrated.
A. Hraghi +4 more
doaj +1 more source
Photonic chip based transmitter optimization and receiver demultiplexing of a 1.28 Tbit/s OTDM signal [PDF]
, 2010 We demonstrate chip-based Tbaud optical signal processing for all-optical performance monitoring, switching and demultiplexing based on the instantaneous Kerr nonlinearity in a dispersion-engineered As 2S 3 planar waveguide.
B. J. Eggleton +41 more
core +1 more source