Transverse mode-switchable fiber laser based on a photonic lantern
| Autor: | Guifang Li, Axel Schülzgen, Z. Sanjabi Eznaveh, Cedric Gonnet, J. Enrique Antonio-Lopez, J. C. Alvarado Zacarias, Ning Wang, Pierre Sillard, Sergio G. Leon-Saval, Rodrigo Amezcua-Correa |
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| Rok vydání: | 2019 |
| Předmět: |
Materials science
business.industry Slope efficiency Physics::Optics Port (circuit theory) 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Atomic and Molecular Physics and Optics Transverse mode 010309 optics Superposition principle Transverse plane Optics Fiber laser 0103 physical sciences Photonics 0210 nano-technology business Lasing threshold |
| Zdroj: | Optics express. 26(25) |
| ISSN: | 1094-4087 |
| Popis: | We propose and experimentally demonstrate an intra-cavity transverse mode-switchable fiber laser based on a mode-selective photonic lantern and a few-mode Er-doped fiber amplifier. The six lowest-order LP modes can lase independently and are switchable by changing the input port of the photonic lantern. We measured the slope efficiency, mode intensity profile, and optical spectrum of each lasing mode. In addition, we demonstrate donut-shaped LP11 and LP21 modes using incoherent superposition and simultaneous lasing of the two degenerate modes. |
| Databáze: | OpenAIRE |
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