High-power double-clad Er-doped fiber laser

Mikhail E. Likhachev; Leonid V. Kotov; Mikhail M. Bubnov; Oleg I. Medvedkov; Alexej A. Sysolyatin; Denis S. Lipatov; Aleksey N. Guryanov

doi:10.1117/12.873740

10 February 2011 High-power double-clad Er-doped fiber laser

Mikhail E. Likhachev, Leonid V. Kotov, Mikhail M. Bubnov, Oleg I. Medvedkov, Alexej A. Sysolyatin, Denis S. Lipatov, Aleksey N. Guryanov

Author Affiliations +

Proceedings Volume 7914, Fiber Lasers VIII: Technology, Systems, and Applications; 791424 (2011) https://doi.org/10.1117/12.873740
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

In this paper, we propose a novel all-fiber laser scheme with the output wavelength of 1565 nm based on a new Er-doped fiber design. A conventional commercially available pump source at 980nm (D=105μm, NA=0.2) is used for pumping. A high slope efficiency of 28% comparable with those in Er-Yb lasers was achieved owing to the utilization of the novel P₂O₅-Al₂O₃-SiO₂ (PAS) glass as the host for Er³⁺ ions. A relatively low in-cavity fiber length (~14m) becomes possible owing to a small outer fiber diameter (80μm) and the use of a fiber taper (105μm to 80μm) for launching the pump.

Citation Download Citation

Mikhail E. Likhachev, Leonid V. Kotov, Mikhail M. Bubnov, Oleg I. Medvedkov, Alexej A. Sysolyatin, Denis S. Lipatov, and Aleksey N. Guryanov "High-power double-clad Er-doped fiber laser", Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 791424 (10 February 2011); https://doi.org/10.1117/12.873740

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