Results 31 to 40 of about 204 (73)
A Joint OSNR and Nonlinear Distortions Estimation Method for Optical Fiber Transmission System
IEEE Photonics Journal, 2018 In this paper, we propose and demonstrate a joint optical signal-to-noise ratio (OSNR) and a nonlinear distortions estimation method. The OSNR is calculated by considering either the link parameters or the correlation operations of the training symbols ...
Yating Xiang +6 more
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Procedure to optimize the intercarrier spacing in superchannels impaired by the cascading of WSS-based ROADMs [PDF]
EPJ Web of Conferences, 2020 A new procedure is proposed to optimize the intercarrier spacing and wavelength selective switch (WSS) bandwidth for superchannels, using a Monte Carlo simulation.
Pereira Paulo J. +2 more
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A Density Clustering Algorithm for Simultaneous Modulation Format Identification and OSNR Estimation
Applied Sciences, 2020 In this work, we propose a combined method to implement both modulation format identification (MFI) and optical signal-to-noise ratio (OSNR) estimation, a method based on density-based spatial clustering of applications with a noise (DBSCAN) algorithm ...
Zhao Zhao +3 more
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Sensors, 2021 In this paper, asynchronous complex histogram (ACH)-based multi-task artificial neural networks (MT-ANNs), are proposed to realize modulation format identification (MFI), optical signal-to-noise ratio (OSNR) estimation and fiber nonlinear (NL) noise ...
Shuailong Yang +6 more
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QPSK Signal Regeneration Based on Vector Phase Sensitive Amplification With Low Pump Powers
IEEE Access, 2019 In this paper, an all-optical quadrature phase shift keying (QPSK) phase regeneration scheme using vector phase sensitive amplification (PSA) is proposed, analyzed, and simulated. Compared with the conventional scalar PSA scheme, the vector superposition
Zhen Xing, Hongxiang Wang, Yuefeng Ji
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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
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IEEE Access, 2022 Free-space optical communication (FSOC) systems with variable data-rates can support different missions with different transmission distances and ensure reliable transmission in periods of unfavorable weather conditions.
Faming Li +6 more
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Optical Performance Monitoring Technology of IMDD System based on Deep Neural Network
Guangtongxin yanjiu, 2023 In advanced high-speed fiber optic communication systems, due to the introduction of dense wavelength division multiplexing technology, the signal spectral interval is getting narrower and narrower, and the traditional out-of-band Optical Signal-to-Noise
LIU Jun +8 more
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Reservoir Computing for Few-Mode Fiber Channel OSNR Monitoring in Deep Learning Frameworks
IEEE Photonics JournalThis paper presents a novel optical performance monitoring (OPM) scheme based on reservoir computing (RC) and Resnet network for monitoring the optical signal-to-noise ratio (OSNR) of few-mode transmission channels, without the need for any demodulation ...
Jianjun Li +4 more
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Periodic Training Sequence Aided In-Band OSNR Monitoring in Digital Coherent Receiver
IEEE Photonics Journal, 2014 We propose and demonstrate a new data-aided in-band optical-signal-to-noise ratio (OSNR) monitoring method, which employs the periodic property of a specially designed short training sequence to differentiate the signal power from noise and is proved to ...
Donghe Zhao +5 more
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