Long Distance Broadband Fiber Optical Beamforming Over 120 km

With the development of the space exploration and satellite communications, the data transmission at broadband and long distance are in increasing demand. To enhance the signal transmission capability from the satellite to the earth over deep space, multiple radars from distributed ground stations a...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Jichen Qiu, Zhiwei Li, Xiaofeng Jin, Xianbin Yu, Shilie Zheng, Xianmin Zhang
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	Broadband signal optical beamforming time jitter compensation Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/250310474f9c4979a589416907bc19c1
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:250310474f9c4979a589416907bc19c1
record_format	dspace
spelling	oai:doaj.org-article:250310474f9c4979a589416907bc19c12021-11-20T00:01:30ZLong Distance Broadband Fiber Optical Beamforming Over 120 km2169-353610.1109/ACCESS.2021.3126395https://doaj.org/article/250310474f9c4979a589416907bc19c12021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9606671/https://doaj.org/toc/2169-3536With the development of the space exploration and satellite communications, the data transmission at broadband and long distance are in increasing demand. To enhance the signal transmission capability from the satellite to the earth over deep space, multiple radars from distributed ground stations at cooperative mode might be a promising solution. Broadband beamforming with high efficiency over long distance fiber optic transmission links is investigated in the paper. To achieve phase stable transmission for broadband signal, fast active optical compensation is adopted by phase locking each fiber optic link with a separate wavelength to discriminate the time jitter induced phase variation. By matching the time delays between the different channels, the signal-noise ratio (SNR) of the beamformed broadband signal is improved significantly. In the experiment, a root mean square (RMS) of time delay variations of 0.86 ps and Allan deviation of <inline-formula> <tex-math notation="LaTeX">$1.74\times 10 ^{-13}$ </tex-math></inline-formula> for the carrier transmission in the phase locked fiber link over 120 km is achieved, and broadband fiber optical beamforming with data rate over 2 Gbit/s is successfully demonstrated.Jichen QiuZhiwei LiXiaofeng JinXianbin YuShilie ZhengXianmin ZhangIEEEarticleBroadband signaloptical beamformingtime jitter compensationElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 9, Pp 152182-152187 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Broadband signal optical beamforming time jitter compensation Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Broadband signal optical beamforming time jitter compensation Electrical engineering. Electronics. Nuclear engineering TK1-9971 Jichen Qiu Zhiwei Li Xiaofeng Jin Xianbin Yu Shilie Zheng Xianmin Zhang Long Distance Broadband Fiber Optical Beamforming Over 120 km
description	With the development of the space exploration and satellite communications, the data transmission at broadband and long distance are in increasing demand. To enhance the signal transmission capability from the satellite to the earth over deep space, multiple radars from distributed ground stations at cooperative mode might be a promising solution. Broadband beamforming with high efficiency over long distance fiber optic transmission links is investigated in the paper. To achieve phase stable transmission for broadband signal, fast active optical compensation is adopted by phase locking each fiber optic link with a separate wavelength to discriminate the time jitter induced phase variation. By matching the time delays between the different channels, the signal-noise ratio (SNR) of the beamformed broadband signal is improved significantly. In the experiment, a root mean square (RMS) of time delay variations of 0.86 ps and Allan deviation of <inline-formula> <tex-math notation="LaTeX">$1.74\times 10 ^{-13}$ </tex-math></inline-formula> for the carrier transmission in the phase locked fiber link over 120 km is achieved, and broadband fiber optical beamforming with data rate over 2 Gbit/s is successfully demonstrated.
format	article
author	Jichen Qiu Zhiwei Li Xiaofeng Jin Xianbin Yu Shilie Zheng Xianmin Zhang
author_facet	Jichen Qiu Zhiwei Li Xiaofeng Jin Xianbin Yu Shilie Zheng Xianmin Zhang
author_sort	Jichen Qiu
title	Long Distance Broadband Fiber Optical Beamforming Over 120 km
title_short	Long Distance Broadband Fiber Optical Beamforming Over 120 km
title_full	Long Distance Broadband Fiber Optical Beamforming Over 120 km
title_fullStr	Long Distance Broadband Fiber Optical Beamforming Over 120 km
title_full_unstemmed	Long Distance Broadband Fiber Optical Beamforming Over 120 km
title_sort	long distance broadband fiber optical beamforming over 120 km
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/250310474f9c4979a589416907bc19c1
work_keys_str_mv	AT jichenqiu longdistancebroadbandfiberopticalbeamformingover120km AT zhiweili longdistancebroadbandfiberopticalbeamformingover120km AT xiaofengjin longdistancebroadbandfiberopticalbeamformingover120km AT xianbinyu longdistancebroadbandfiberopticalbeamformingover120km AT shiliezheng longdistancebroadbandfiberopticalbeamformingover120km AT xianminzhang longdistancebroadbandfiberopticalbeamformingover120km
_version_	1718419823900229632

Long Distance Broadband Fiber Optical Beamforming Over 120 km

Ejemplares similares