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24 October 2017 2μm all fiber multi-wavelength Tm/Ho co-doped fiber laser
Junhong Zhang, Qiuxia Jiang, Xiaofa Wang
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Proceedings Volume 10457, AOPC 2017: Laser Components, Systems, and Applications; 104572E (2017) https://doi.org/10.1117/12.2284893
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China
Abstract
A 2 μm all fiber multi-wavelength Tm/Ho co-doped fiber laser based on a simple ring cavity is experimentally demonstrated. Compared with other 2 μm multi-wavelength Tm/Ho co-doped fiber lasers, the multi-wavelength fiber laser is obtained by the gain saturation effect and inhomogeneous broadening effect without any frequency selector component, filter component or polarization-dependent component. When the pump power is about 304 mW, the fiber laser enters into single-wavelength working state around 1967.76 nm. Further increasing the pump power to 455 mW, a stable dual-wavelength laser is obtained at room temperature. The bimodal power difference between λ1 and λ2 is 5.528 dB. The fluctuations of wavelength and power are less than 0.03 nm and 0.264 dB in an hour, which demonstrates that the multi-wavelength fiber laser works at a stable state. Furthermore, a research about the relationship between the pump power and the output spectra has been made.
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Junhong Zhang, Qiuxia Jiang, and Xiaofa Wang "2μm all fiber multi-wavelength Tm/Ho co-doped fiber laser", Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104572E (24 October 2017); https://doi.org/10.1117/12.2284893
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Fiber lasers
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