Erbium-ring-doped fiber laser for transverse vector modes output
| Autor: | Haisu Li, Yuean Mi, Min Cao, Guobin Ren, Liangying Wu, Lin Huang, Min Tang |
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| Rok vydání: | 2019 |
| Předmět: |
Physics::Optics
chemistry.chemical_element 02 engineering and technology 01 natural sciences law.invention 010309 optics Erbium 020210 optoelectronics & photonics Optics law Position (vector) Fiber laser 0103 physical sciences 0202 electrical engineering electronic engineering information engineering Electrical and Electronic Engineering Physics business.industry Slope efficiency Rate equation Laser Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Transverse mode Transverse plane chemistry business |
| Zdroj: | Optics & Laser Technology. 115:233-238 |
| ISSN: | 0030-3992 |
| DOI: | 10.1016/j.optlastec.2019.02.017 |
| Popis: | We propose a few-mode erbium-ring-doped fiber laser with high slope efficiency towards an individual transverse vector mode output. Based on the rate equation, specific transverse vector mode output is achieved through numerical investigations of the position and the thickness of the transverse erbium-doped region. Our results show that a thinner erbium-doped region is favorable for increasing the number of available output transverse vector mode, and the position selects desired transverse vector mode to excite. Moreover, high-order vector modes up to the third-order can be excited with appropriate erbium-doped locations. The laser output using the proposed method has merit of high slope efficiency and high mode purity. The slope efficiency and the mode purity can reach 61.25% and 99.99%, respectively. Our work may find potential applications in high-power lasers and high-order transverse mode operation of fiber lasers. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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