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All-fiber core-pumped polarization-maintaining Ho-doped laser at 2.05/2.09 μm with high efficiency.

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Title: All-fiber core-pumped polarization-maintaining Ho-doped laser at 2.05/2.09 μm with high efficiency.
Authors: Zhang, Dongming1,2,3 (AUTHOR), Wang, Yunpeng1,3 (AUTHOR) ypwang@bjut.edu.cn, Cai, Xinyu1,3 (AUTHOR), Yan, Weinan1,3 (AUTHOR), Zhou, Wentao1,3 (AUTHOR), Hu, Hailin1,3 (AUTHOR), Li, Yang1,3 (AUTHOR), Li, Pingxue1,3 (AUTHOR) pxli@bjut.edu.cn
Source: Applied Physics B: Lasers & Optics. Mar2026, Vol. 132 Issue 3, p1-7. 7p.
Subjects: Fiber lasers, Linear polarization, High power lasers, Laser beam measurement, Continuous wave lasers
Abstract: A scheme for a continuous-wave (CW) all-fiber polarization-maintaining (PM) holmium-doped laser at 2.05/2.09 μm with high efficiency core-pumped by a thulium-doped fiber (TDF) laser is proposed. In the simulation, a rate equation model for the Ho laser is established to provide a theoretical guidance for the experiment. In the experiment, the TDF pumping source for the holmium-doped fiber (HDF) laser has an output wavelength of 1.94 μm and an output power of 55 W. The HDF laser is designed as a linear cavity structure with center wavelengths of 2049.4 nm and 2088.6 nm, maximum output powers of 37.5 W and 36.3 W, and the corresponding slope efficiencies of 75.3% and 72.9%, respectively. In the all-fiber PM HDF laser system, a high-quality laser output with a polarization extinction ratio (PER) of 15.3 dB, power stability of 0.32%, and beam quality (M2) of 1.18 is achieved. [ABSTRACT FROM AUTHOR]
Copyright of Applied Physics B: Lasers & Optics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 192432793
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  Label: Title
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  Data: All-fiber core-pumped polarization-maintaining Ho-doped laser at 2.05/2.09 μm with high efficiency.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Dongming%22">Zhang, Dongming</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Yunpeng%22">Wang, Yunpeng</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> ypwang@bjut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Cai%2C+Xinyu%22">Cai, Xinyu</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yan%2C+Weinan%22">Yan, Weinan</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Wentao%22">Zhou, Wentao</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hu%2C+Hailin%22">Hu, Hailin</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Yang%22">Li, Yang</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Pingxue%22">Li, Pingxue</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> pxli@bjut.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Applied+Physics+B%3A+Lasers+%26+Optics%22">Applied Physics B: Lasers & Optics</searchLink>. Mar2026, Vol. 132 Issue 3, p1-7. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Fiber+lasers%22">Fiber lasers</searchLink><br /><searchLink fieldCode="DE" term="%22Linear+polarization%22">Linear polarization</searchLink><br /><searchLink fieldCode="DE" term="%22High+power+lasers%22">High power lasers</searchLink><br /><searchLink fieldCode="DE" term="%22Laser+beam+measurement%22">Laser beam measurement</searchLink><br /><searchLink fieldCode="DE" term="%22Continuous+wave+lasers%22">Continuous wave lasers</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A scheme for a continuous-wave (CW) all-fiber polarization-maintaining (PM) holmium-doped laser at 2.05/2.09 μm with high efficiency core-pumped by a thulium-doped fiber (TDF) laser is proposed. In the simulation, a rate equation model for the Ho laser is established to provide a theoretical guidance for the experiment. In the experiment, the TDF pumping source for the holmium-doped fiber (HDF) laser has an output wavelength of 1.94 μm and an output power of 55 W. The HDF laser is designed as a linear cavity structure with center wavelengths of 2049.4 nm and 2088.6 nm, maximum output powers of 37.5 W and 36.3 W, and the corresponding slope efficiencies of 75.3% and 72.9%, respectively. In the all-fiber PM HDF laser system, a high-quality laser output with a polarization extinction ratio (PER) of 15.3 dB, power stability of 0.32%, and beam quality (M2) of 1.18 is achieved. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Applied Physics B: Lasers & Optics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s00340-026-08636-x
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      – SubjectFull: Fiber lasers
        Type: general
      – SubjectFull: Linear polarization
        Type: general
      – SubjectFull: High power lasers
        Type: general
      – SubjectFull: Laser beam measurement
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      – SubjectFull: Continuous wave lasers
        Type: general
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      – TitleFull: All-fiber core-pumped polarization-maintaining Ho-doped laser at 2.05/2.09 μm with high efficiency.
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            NameFull: Zhang, Dongming
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              Text: Mar2026
              Type: published
              Y: 2026
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