Tunable Narrow Linewidth Erbium-Doped Fiber Ring Laser Based on Saturable Absorber and Self-Injection Feedback

We demonstrate a tunable single-longitudinal-mode (SLM) narrow linewidth erbium-doped fiber (EDF) ring laser (EDFRL) in a cost-effective way. The laser incorporates an unpumped-EDF-based saturable absorber (SA) and a self-injection feedback loop for mode selection. The EDFDRL exhibits linear tunabil...

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Main Authors: Fujun Xu, Xiaxiao Wang, Xiaobin Xu, Ningfang Song
Format: Article
Language:English
Published: IEEE 2024-01-01
Series:IEEE Photonics Journal
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Online Access:https://ieeexplore.ieee.org/document/10623881/
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author Fujun Xu
Xiaxiao Wang
Xiaobin Xu
Ningfang Song
author_facet Fujun Xu
Xiaxiao Wang
Xiaobin Xu
Ningfang Song
author_sort Fujun Xu
collection DOAJ
description We demonstrate a tunable single-longitudinal-mode (SLM) narrow linewidth erbium-doped fiber (EDF) ring laser (EDFRL) in a cost-effective way. The laser incorporates an unpumped-EDF-based saturable absorber (SA) and a self-injection feedback loop for mode selection. The EDFDRL exhibits linear tunability of 12.57 pm/<inline-formula><tex-math notation="LaTeX">$^{\circ }$</tex-math></inline-formula>C from 15 <inline-formula><tex-math notation="LaTeX">$^{\circ }$</tex-math></inline-formula>C to 45 <inline-formula><tex-math notation="LaTeX">$^{\circ }$</tex-math></inline-formula>C with a maximum tuning range of 0.3664 nm. At a pump current of 200 mA, we achieve a SLM EDFRL characterized by a high OSNR of 75 dB and an ultra-narrow linewidth of 330 Hz. Furthermore, it shows an excellent wavelength stability, with a maximum fluctuation of only 11.23 pm.
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institution Matheson Library
issn 1943-0655
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publishDate 2024-01-01
publisher IEEE
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series IEEE Photonics Journal
spelling doaj-art-a00c26e846164e98ba38f4caad89b51b2025-07-02T00:02:59ZengIEEEIEEE Photonics Journal1943-06552024-01-011651510.1109/JPHOT.2024.343883910623881Tunable Narrow Linewidth Erbium-Doped Fiber Ring Laser Based on Saturable Absorber and Self-Injection FeedbackFujun Xu0Xiaxiao Wang1https://orcid.org/0000-0001-5471-7734Xiaobin Xu2https://orcid.org/0000-0001-8363-5092Ningfang Song3https://orcid.org/0000-0002-5224-4643School of Instrument Science and Opto-Electronic Engineering, Beihang University, Beijing, ChinaSchool of Instrument Science and Opto-Electronic Engineering, Beihang University, Beijing, ChinaSchool of Instrument Science and Opto-Electronic Engineering, Beihang University, Beijing, ChinaSchool of Instrument Science and Opto-Electronic Engineering, Beihang University, Beijing, ChinaWe demonstrate a tunable single-longitudinal-mode (SLM) narrow linewidth erbium-doped fiber (EDF) ring laser (EDFRL) in a cost-effective way. The laser incorporates an unpumped-EDF-based saturable absorber (SA) and a self-injection feedback loop for mode selection. The EDFDRL exhibits linear tunability of 12.57 pm/<inline-formula><tex-math notation="LaTeX">$^{\circ }$</tex-math></inline-formula>C from 15 <inline-formula><tex-math notation="LaTeX">$^{\circ }$</tex-math></inline-formula>C to 45 <inline-formula><tex-math notation="LaTeX">$^{\circ }$</tex-math></inline-formula>C with a maximum tuning range of 0.3664 nm. At a pump current of 200 mA, we achieve a SLM EDFRL characterized by a high OSNR of 75 dB and an ultra-narrow linewidth of 330 Hz. Furthermore, it shows an excellent wavelength stability, with a maximum fluctuation of only 11.23 pm.https://ieeexplore.ieee.org/document/10623881/Erbium-doped fiber ring lasersaturable absorberself-injection feedbacksingle-longitudinal mode
spellingShingle Fujun Xu
Xiaxiao Wang
Xiaobin Xu
Ningfang Song
Tunable Narrow Linewidth Erbium-Doped Fiber Ring Laser Based on Saturable Absorber and Self-Injection Feedback
IEEE Photonics Journal
Erbium-doped fiber ring laser
saturable absorber
self-injection feedback
single-longitudinal mode
title Tunable Narrow Linewidth Erbium-Doped Fiber Ring Laser Based on Saturable Absorber and Self-Injection Feedback
title_full Tunable Narrow Linewidth Erbium-Doped Fiber Ring Laser Based on Saturable Absorber and Self-Injection Feedback
title_fullStr Tunable Narrow Linewidth Erbium-Doped Fiber Ring Laser Based on Saturable Absorber and Self-Injection Feedback
title_full_unstemmed Tunable Narrow Linewidth Erbium-Doped Fiber Ring Laser Based on Saturable Absorber and Self-Injection Feedback
title_short Tunable Narrow Linewidth Erbium-Doped Fiber Ring Laser Based on Saturable Absorber and Self-Injection Feedback
title_sort tunable narrow linewidth erbium doped fiber ring laser based on saturable absorber and self injection feedback
topic Erbium-doped fiber ring laser
saturable absorber
self-injection feedback
single-longitudinal mode
url https://ieeexplore.ieee.org/document/10623881/
work_keys_str_mv AT fujunxu tunablenarrowlinewidtherbiumdopedfiberringlaserbasedonsaturableabsorberandselfinjectionfeedback
AT xiaxiaowang tunablenarrowlinewidtherbiumdopedfiberringlaserbasedonsaturableabsorberandselfinjectionfeedback
AT xiaobinxu tunablenarrowlinewidtherbiumdopedfiberringlaserbasedonsaturableabsorberandselfinjectionfeedback
AT ningfangsong tunablenarrowlinewidtherbiumdopedfiberringlaserbasedonsaturableabsorberandselfinjectionfeedback