Power controllable gain switched fiber laser at ~ 3 μm and ~ 2.1 μm

Abstract Based on a hybrid pumping method consisting of a 1150 nm continuous-wave pump source and a 1950 nm pulsed pump source, we demonstrate a power controllable gain-switched fiber laser in dual wavebands at ~ 3 μm and ~ 2.1 μm. Different pumping schemes for pumping a Ho3+-doped ZBLAN fiber are s...

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Autores principales:	Yiwen Shi, Jianfeng Li, Chendong Lai, Hanlin Peng, Chen Zhu, Yong Liu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ab9f8d63e7db4278a3ce5ed896bd7a3d
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spelling	oai:doaj.org-article:ab9f8d63e7db4278a3ce5ed896bd7a3d2021-12-02T14:01:37ZPower controllable gain switched fiber laser at ~ 3 μm and ~ 2.1 μm10.1038/s41598-020-80238-92045-2322https://doaj.org/article/ab9f8d63e7db4278a3ce5ed896bd7a3d2021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-80238-9https://doaj.org/toc/2045-2322Abstract Based on a hybrid pumping method consisting of a 1150 nm continuous-wave pump source and a 1950 nm pulsed pump source, we demonstrate a power controllable gain-switched fiber laser in dual wavebands at ~ 3 μm and ~ 2.1 μm. Different pumping schemes for pumping a Ho3+-doped ZBLAN fiber are studied. Using only the 1950 nm pulsed pump source, ~ 2.1 μm gain-switched pulses with single and double pulses are obtained separately at different pump powers. This phenomenon indicates that the 1950 nm pulsed pump source acts as a modulator to trigger different states of the ~ 2.1 μm pulses. Moreover, by fixing the 1150 nm pump power at 3.259 W and adjusting the 1950 nm pump power, the output power of the ~ 2.1 μm gain-switched pulsed laser is flexibly controlled while the ~ 3 μm laser power is almost unchanged, inducing the maximum output powers of 167.96 mW and 260.27 mW at 2910.16 nm and 2061.65 nm, respectively. These results suggest that the comparatively low power of the ~ 2.1 μm gain-switched pulsed laser in dual-waveband laser can be efficiently overcome by reasonably controlling the 1950 nm pump power.Yiwen ShiJianfeng LiChendong LaiHanlin PengChen ZhuYong LiuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yiwen Shi Jianfeng Li Chendong Lai Hanlin Peng Chen Zhu Yong Liu Power controllable gain switched fiber laser at ~ 3 μm and ~ 2.1 μm
description	Abstract Based on a hybrid pumping method consisting of a 1150 nm continuous-wave pump source and a 1950 nm pulsed pump source, we demonstrate a power controllable gain-switched fiber laser in dual wavebands at ~ 3 μm and ~ 2.1 μm. Different pumping schemes for pumping a Ho3+-doped ZBLAN fiber are studied. Using only the 1950 nm pulsed pump source, ~ 2.1 μm gain-switched pulses with single and double pulses are obtained separately at different pump powers. This phenomenon indicates that the 1950 nm pulsed pump source acts as a modulator to trigger different states of the ~ 2.1 μm pulses. Moreover, by fixing the 1150 nm pump power at 3.259 W and adjusting the 1950 nm pump power, the output power of the ~ 2.1 μm gain-switched pulsed laser is flexibly controlled while the ~ 3 μm laser power is almost unchanged, inducing the maximum output powers of 167.96 mW and 260.27 mW at 2910.16 nm and 2061.65 nm, respectively. These results suggest that the comparatively low power of the ~ 2.1 μm gain-switched pulsed laser in dual-waveband laser can be efficiently overcome by reasonably controlling the 1950 nm pump power.
format	article
author	Yiwen Shi Jianfeng Li Chendong Lai Hanlin Peng Chen Zhu Yong Liu
author_facet	Yiwen Shi Jianfeng Li Chendong Lai Hanlin Peng Chen Zhu Yong Liu
author_sort	Yiwen Shi
title	Power controllable gain switched fiber laser at ~ 3 μm and ~ 2.1 μm
title_short	Power controllable gain switched fiber laser at ~ 3 μm and ~ 2.1 μm
title_full	Power controllable gain switched fiber laser at ~ 3 μm and ~ 2.1 μm
title_fullStr	Power controllable gain switched fiber laser at ~ 3 μm and ~ 2.1 μm
title_full_unstemmed	Power controllable gain switched fiber laser at ~ 3 μm and ~ 2.1 μm
title_sort	power controllable gain switched fiber laser at ~ 3 μm and ~ 2.1 μm
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/ab9f8d63e7db4278a3ce5ed896bd7a3d
work_keys_str_mv	AT yiwenshi powercontrollablegainswitchedfiberlaserat3mmand21mm AT jianfengli powercontrollablegainswitchedfiberlaserat3mmand21mm AT chendonglai powercontrollablegainswitchedfiberlaserat3mmand21mm AT hanlinpeng powercontrollablegainswitchedfiberlaserat3mmand21mm AT chenzhu powercontrollablegainswitchedfiberlaserat3mmand21mm AT yongliu powercontrollablegainswitchedfiberlaserat3mmand21mm
_version_	1718392160934428672

Power controllable gain switched fiber laser at ~ 3 μm and ~ 2.1 μm

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