1.27 kW, 2.2 GHz pseudo-random binary sequence phase modulated fiber amplifier with Brillouin gain-spectrum overlap

We present a 2.2 GHz modulated, 1.27 kW output power, monolithic fiber amplifier based on pseudo-random binary sequence (PRBS) phase modulation. The spectral line spacing of maximizing the threshold enhancement factor (plateau of trend) was found by theoretical simulation. The spectral line spacing...

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Autores principales: Liu, Meizhong, Yang, Yifeng, Shen, Hui, Zhang, Jingpu, Zou, Xingxing, Wang, Hanbin, Yuan, Lucheng, You, Yang, Bai, Gang, He, Bing, Zhou, Jun
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6971066/
https://www.ncbi.nlm.nih.gov/pubmed/31959855
http://dx.doi.org/10.1038/s41598-019-57408-5
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author Liu, Meizhong
Yang, Yifeng
Shen, Hui
Zhang, Jingpu
Zou, Xingxing
Wang, Hanbin
Yuan, Lucheng
You, Yang
Bai, Gang
He, Bing
Zhou, Jun
author_facet Liu, Meizhong
Yang, Yifeng
Shen, Hui
Zhang, Jingpu
Zou, Xingxing
Wang, Hanbin
Yuan, Lucheng
You, Yang
Bai, Gang
He, Bing
Zhou, Jun
author_sort Liu, Meizhong
collection PubMed
description We present a 2.2 GHz modulated, 1.27 kW output power, monolithic fiber amplifier based on pseudo-random binary sequence (PRBS) phase modulation. The spectral line spacing of maximizing the threshold enhancement factor (plateau of trend) was found by theoretical simulation. The spectral line spacing was adjusted to 12.7 MHz by a pattern length of n = 9, which is close to the plateau of trend in the proposed architecture. A 2.2 GHz low-pass radio frequency filter was used to control the FWHM of the seed. A four-stage Yb-doped fiber amplifier chain was established to boost a distributed Bragg reflector (DBR) laser and a distributed feedback (DFB) diode laser to 1.2 kW and 1.27 kW with a backward reflectively of <1‰, which shows a good suppression of SBS effect.
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spelling pubmed-69710662020-01-27 1.27 kW, 2.2 GHz pseudo-random binary sequence phase modulated fiber amplifier with Brillouin gain-spectrum overlap Liu, Meizhong Yang, Yifeng Shen, Hui Zhang, Jingpu Zou, Xingxing Wang, Hanbin Yuan, Lucheng You, Yang Bai, Gang He, Bing Zhou, Jun Sci Rep Article We present a 2.2 GHz modulated, 1.27 kW output power, monolithic fiber amplifier based on pseudo-random binary sequence (PRBS) phase modulation. The spectral line spacing of maximizing the threshold enhancement factor (plateau of trend) was found by theoretical simulation. The spectral line spacing was adjusted to 12.7 MHz by a pattern length of n = 9, which is close to the plateau of trend in the proposed architecture. A 2.2 GHz low-pass radio frequency filter was used to control the FWHM of the seed. A four-stage Yb-doped fiber amplifier chain was established to boost a distributed Bragg reflector (DBR) laser and a distributed feedback (DFB) diode laser to 1.2 kW and 1.27 kW with a backward reflectively of <1‰, which shows a good suppression of SBS effect. Nature Publishing Group UK 2020-01-20 /pmc/articles/PMC6971066/ /pubmed/31959855 http://dx.doi.org/10.1038/s41598-019-57408-5 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Liu, Meizhong
Yang, Yifeng
Shen, Hui
Zhang, Jingpu
Zou, Xingxing
Wang, Hanbin
Yuan, Lucheng
You, Yang
Bai, Gang
He, Bing
Zhou, Jun
1.27 kW, 2.2 GHz pseudo-random binary sequence phase modulated fiber amplifier with Brillouin gain-spectrum overlap
title 1.27 kW, 2.2 GHz pseudo-random binary sequence phase modulated fiber amplifier with Brillouin gain-spectrum overlap
title_full 1.27 kW, 2.2 GHz pseudo-random binary sequence phase modulated fiber amplifier with Brillouin gain-spectrum overlap
title_fullStr 1.27 kW, 2.2 GHz pseudo-random binary sequence phase modulated fiber amplifier with Brillouin gain-spectrum overlap
title_full_unstemmed 1.27 kW, 2.2 GHz pseudo-random binary sequence phase modulated fiber amplifier with Brillouin gain-spectrum overlap
title_short 1.27 kW, 2.2 GHz pseudo-random binary sequence phase modulated fiber amplifier with Brillouin gain-spectrum overlap
title_sort 1.27 kw, 2.2 ghz pseudo-random binary sequence phase modulated fiber amplifier with brillouin gain-spectrum overlap
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6971066/
https://www.ncbi.nlm.nih.gov/pubmed/31959855
http://dx.doi.org/10.1038/s41598-019-57408-5
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