A self-Q-switched Yb3+-doped all-fiber laser based on the saturable absorption effect in multimode communication fiber was investigated. The laser used an 11m long Yb3+-doped double-clad fiber as the gain medium. The high-reflection end of the resonator employed a fiber Bragg grating with a center wavelength of 1083nm, while the output end was the cleaved end-face of the gain fiber. A segment of multimode communication fiber was spliced to the output end of the resonator to act as a saturable absorber, enabling self-Q-switched pulse operation. Under a pump power of 5.3W, the laser achieved stable self-Q-switched pulse operation with a repetition rate of 46kHz, a single pulse energy of 13µJ, and a pulse width of 2.8µs. The influence of the multimode fiber length on the output pulse characteristics was also studied. It was found that optimal Q-switching performance was obtained with a 3.3m long multimode fiber. Meanwhile, the experiment employed custom-built air-cooling and thermo-electric cooler systems to independently control the temperatures of the two diode lasers, with both systems achieving a temperature control precision of ±0.1°C. Furthermore, a qualitative analysis was conducted to investigate the mechanism of self-Q-switched pulse generation utilizing the saturable absorption effect in multimode fiber. This self-Q-switched all-fiber laser features a simple structure, low cost, and high stability, showing promising application prospects in scientific research, material processing, and lidar.
| Published in | American Journal of Optics and Photonics (Volume 13, Issue 3) |
| DOI | 10.11648/j.ajop.20251303.11 |
| Page(s) | 46-51 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2025. Published by Science Publishing Group |
All-fiber Laser, Saturable Absorption, Self-Q-switching, Yb3+-doped Fiber, Multimode Fiber
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APA Style
Shang, L., Cao, Z. (2025). Self-Q-switched Yb3+-doped All-fiber Laser Based on the Saturable Absorption Effect of a Multimode Fiber. American Journal of Optics and Photonics, 13(3), 46-51. https://doi.org/10.11648/j.ajop.20251303.11
ACS Style
Shang, L.; Cao, Z. Self-Q-switched Yb3+-doped All-fiber Laser Based on the Saturable Absorption Effect of a Multimode Fiber. Am. J. Opt. Photonics 2025, 13(3), 46-51. doi: 10.11648/j.ajop.20251303.11
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Download@article{10.11648/j.ajop.20251303.11,
author = {Lianju Shang and Zhenzhong Cao},
title = {Self-Q-switched Yb3+-doped All-fiber Laser Based on the Saturable Absorption Effect of a Multimode Fiber},
journal = {American Journal of Optics and Photonics},
volume = {13},
number = {3},
pages = {46-51},
doi = {10.11648/j.ajop.20251303.11},
url = {https://doi.org/10.11648/j.ajop.20251303.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajop.20251303.11},
abstract = {A self-Q-switched Yb3+-doped all-fiber laser based on the saturable absorption effect in multimode communication fiber was investigated. The laser used an 11m long Yb3+-doped double-clad fiber as the gain medium. The high-reflection end of the resonator employed a fiber Bragg grating with a center wavelength of 1083nm, while the output end was the cleaved end-face of the gain fiber. A segment of multimode communication fiber was spliced to the output end of the resonator to act as a saturable absorber, enabling self-Q-switched pulse operation. Under a pump power of 5.3W, the laser achieved stable self-Q-switched pulse operation with a repetition rate of 46kHz, a single pulse energy of 13µJ, and a pulse width of 2.8µs. The influence of the multimode fiber length on the output pulse characteristics was also studied. It was found that optimal Q-switching performance was obtained with a 3.3m long multimode fiber. Meanwhile, the experiment employed custom-built air-cooling and thermo-electric cooler systems to independently control the temperatures of the two diode lasers, with both systems achieving a temperature control precision of ±0.1°C. Furthermore, a qualitative analysis was conducted to investigate the mechanism of self-Q-switched pulse generation utilizing the saturable absorption effect in multimode fiber. This self-Q-switched all-fiber laser features a simple structure, low cost, and high stability, showing promising application prospects in scientific research, material processing, and lidar.},
year = {2025}
}
TY - JOUR T1 - Self-Q-switched Yb3+-doped All-fiber Laser Based on the Saturable Absorption Effect of a Multimode Fiber AU - Lianju Shang AU - Zhenzhong Cao Y1 - 2025/12/20 PY - 2025 N1 - https://doi.org/10.11648/j.ajop.20251303.11 DO - 10.11648/j.ajop.20251303.11 T2 - American Journal of Optics and Photonics JF - American Journal of Optics and Photonics JO - American Journal of Optics and Photonics SP - 46 EP - 51 PB - Science Publishing Group SN - 2330-8494 UR - https://doi.org/10.11648/j.ajop.20251303.11 AB - A self-Q-switched Yb3+-doped all-fiber laser based on the saturable absorption effect in multimode communication fiber was investigated. The laser used an 11m long Yb3+-doped double-clad fiber as the gain medium. The high-reflection end of the resonator employed a fiber Bragg grating with a center wavelength of 1083nm, while the output end was the cleaved end-face of the gain fiber. A segment of multimode communication fiber was spliced to the output end of the resonator to act as a saturable absorber, enabling self-Q-switched pulse operation. Under a pump power of 5.3W, the laser achieved stable self-Q-switched pulse operation with a repetition rate of 46kHz, a single pulse energy of 13µJ, and a pulse width of 2.8µs. The influence of the multimode fiber length on the output pulse characteristics was also studied. It was found that optimal Q-switching performance was obtained with a 3.3m long multimode fiber. Meanwhile, the experiment employed custom-built air-cooling and thermo-electric cooler systems to independently control the temperatures of the two diode lasers, with both systems achieving a temperature control precision of ±0.1°C. Furthermore, a qualitative analysis was conducted to investigate the mechanism of self-Q-switched pulse generation utilizing the saturable absorption effect in multimode fiber. This self-Q-switched all-fiber laser features a simple structure, low cost, and high stability, showing promising application prospects in scientific research, material processing, and lidar. VL - 13 IS - 3 ER -
School of Physics and Physical Engineering, Qufu Normal University, Qufu, China
School of Cyber Science and Engineering, Qufu Normal University, Qufu, China
