Yb-doped mode-locked fiber laser with a hybrid structure of NPR and a Lyot filter as the saturable absorber
Passively mode-locked fiber lasers based on a nonlinear polarization rotation (NPR) have attracted much attention due to their ability to generate short pulses with wide spectra and high peak power. However, environmental perturbations can easily cause the lasers to lose the mode-locked state and make it a challenge for practical application. The aim of this research is to improve the laser stability by inserting a Lyot filter into the mode-locked laser cavity. The experimental results indicate that the mode-locked state can be maintained when the radius of the fiber loop is changed from 7.5 to 1.5 cm, while the signal-to-noise ratio of the fundamental frequency remains almost the same. The tunability of the output power can be achieved by adding a half-wave plate (HWP) in the laser cavity without changing the pump power, while the mode-locked state remains stable. By adjusting the angle of the HWP2, the output power can be adjusted from 3.36 to 66.5 mW at repetition rate of 29.7 MHz.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:49 |
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| Enthalten in: |
Optics letters - 49(2024), 8 vom: 15. Apr., Seite 2149-2152 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Pu, Yongjie [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 15.04.2024 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1364/OL.516495 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM37110226X |
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| 245 | 1 | 0 | |a Yb-doped mode-locked fiber laser with a hybrid structure of NPR and a Lyot filter as the saturable absorber |
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| 500 | |a Date Revised 15.04.2024 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Passively mode-locked fiber lasers based on a nonlinear polarization rotation (NPR) have attracted much attention due to their ability to generate short pulses with wide spectra and high peak power. However, environmental perturbations can easily cause the lasers to lose the mode-locked state and make it a challenge for practical application. The aim of this research is to improve the laser stability by inserting a Lyot filter into the mode-locked laser cavity. The experimental results indicate that the mode-locked state can be maintained when the radius of the fiber loop is changed from 7.5 to 1.5 cm, while the signal-to-noise ratio of the fundamental frequency remains almost the same. The tunability of the output power can be achieved by adding a half-wave plate (HWP) in the laser cavity without changing the pump power, while the mode-locked state remains stable. By adjusting the angle of the HWP2, the output power can be adjusted from 3.36 to 66.5 mW at repetition rate of 29.7 MHz | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Guo, Pan |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Shen, Qihao |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Zhicheng |e verfasserin |4 aut | |
| 700 | 1 | |a Fan, Minyu |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Sha |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Optics letters |d 1977 |g 49(2024), 8 vom: 15. Apr., Seite 2149-2152 |w (DE-627)NLM076842215 |x 1539-4794 |7 nnns |
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