Results 1 to 10 of about 51,277 (299)

DSP-Assisted Nonlinear Impairments Tolerant 100 Gbps Optical Backhaul Network for Long-Haul Transmission [PDF]

open access: yesEntropy, 2020
High capacity long haul communication and cost-effective solutions for low loss transmission are the major advantages of optical fibers, which makes them a promising solution to be used for backhaul network transportation.
Muhammad Irfan   +7 more
doaj   +2 more sources

High-Speed Transmission in Long-Haul Electrical Systems [PDF]

open access: yesInternational Journal of Differential Equations, 2018
We study the equations governing the high-speed transmission in long-haul electrical systems i∂tu-1/3∂x3u=iλ∂xu2u, t,x∈R+×R, u0,x=u0x, x∈R, where λ∈R,  ∂xα=F-1ξαF, and F is the Fourier transformation. Our purpose in this paper is to obtain the large time
Beatriz Juárez-Campos   +3 more
doaj   +3 more sources

Transmission of SARS-CoV 2 During Long-Haul Flight [PDF]

open access: yesEmerging Infectious Diseases, 2020
To assess the role of in-flight transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), we investigated a cluster of cases among passengers on a 10-hour commercial flight.
Nguyen Cong Khanh   +13 more
doaj   +3 more sources

Experimental demonstration of 8190-km long-haul semiconductor-laser chaos synchronization induced by digital optical communication signal [PDF]

open access: yesLight: Science & Applications
Common-signal-induced synchronization of semiconductor lasers have promising applications in physical-layer secure transmission with high speed and compatibility with the current fiber communication.
Anbang Wang   +6 more
doaj   +2 more sources

Risk of COVID-19 transmission on long-haul flights: During the COVID-19 pandemic. [PDF]

open access: yesPLoS ONE
This study aimed to determine the possibility of COVID-19 transmission through in-flight contact during flights for many patients with confirmed COVID-19 during the COVID-19 pandemic and explore infection prevention and control (IPC) methods for overseas
Jiyun Park, Gye Jeong Yeom
doaj   +2 more sources

The Research on 400 Gbit/s Single-carrier Unrepeatered Ultra Long Haul Transmission

open access: yesGuangtongxin yanjiu, 2021
With the continuous improvement of single carrier transmission rate, it is great challenging to increase the transmission distance in unrepeatered link. This paper demonstrates a unrepeatered transmission of single-carrier 400 Gbit/s over 501.18 km with ...
Yong-sheng ZHANG, Lin ZHANG, Jian-Jun WU
doaj   +1 more source

Experimental Evaluation of the Generalized Signal Droop Model With SNR Measurements Including Transponder Implementation Penalty

open access: yesIEEE Photonics Journal, 2021
We experimentally assess the accuracy of a constant output power generalized droop (COP-GD) model combined with transponder implementation penalty to predict transmission performance for single-core long-haul optical transmission systems operating at low
Viacheslav Ivanov   +5 more
doaj   +1 more source

Unidirectional Ultra-Long Distributed Optical Fiber Sensor

open access: yesIEEE Photonics Journal, 2021
In this paper, we propose and experimentally demonstrate an ultra-long distributed fiber vibration sensing system using unidirectional forward transmission of a continuous-wave signal and coherent detection with digital signal processing.
Yaxi Yan   +4 more
doaj   +1 more source

Machine learning for fiber nonlinearity mitigation in long-haul coherent optical transmission systems [PDF]

open access: yes, 2020
Fiber nonlinearities from Kerr effect are considered as major constraints for enhancing the transmission capacity in current optical transmission systems.
Liu, Yifan, Xu, Tianhua, Yang, Bowei
core   +1 more source

Attojoule/bit folded thin film lithium niobate coherent modulators using air-bridge structures

open access: yesAPL Photonics, 2023
Coherent technology has been employed in long-haul transmission systems in the past decade, with growing demand for capacity at ever-lower costs per bit.
Mengyue Xu   +8 more
doaj   +1 more source

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