Single-mode large-mode-area Er-Yb fiber

Maxim M. Khudyakov; Aleksey S. Lobanov; Denis S. Lipatov; Konstantin K. Bobkov; Svetlana S. Aleshkina; Tatyana A. Kochergina; Mikhail M. Bubnov; Alexey N. Abramov; Nikolay N. Vechkanov; Aleksey N. Guryanov; Mikhail E. Likhachev

doi:10.1117/12.2508547

27 February 2019 Single-mode large-mode-area Er-Yb fiber

Maxim M. Khudyakov, Aleksey S. Lobanov, Denis S. Lipatov, Konstantin K. Bobkov, Svetlana S. Aleshkina, Tatyana A. Kochergina, Mikhail M. Bubnov, Alexey N. Abramov, Nikolay N. Vechkanov, Aleksey N. Guryanov, Mikhail E. Likhachev

Author Affiliations +

Proceedings Volume 10914, Optical Components and Materials XVI; 109141R (2019) https://doi.org/10.1117/12.2508547
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Single-mode Er-Yb fibers based on phosphorosilicate glass matrix highly doped with fluorine have been fabricated using modified all-gas phase MCVD technology. Fibers have core doped by 6.5 mol.% of P₂O₅, 0.9 wt.% of F and different concentration of Er and Yb. The core NA was about 0.07-0.08 relative to the pure silica level. Slope efficiency of more than 19% was achieved using amplifier scheme with co-propagating pump at 976 nm and signal at 1555 nm (input signal power was about 0.6W). Slope efficiency in the laser configuration has reached 34% relative to the input pump power.

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Maxim M. Khudyakov, Aleksey S. Lobanov, Denis S. Lipatov, Konstantin K. Bobkov, Svetlana S. Aleshkina, Tatyana A. Kochergina, Mikhail M. Bubnov, Alexey N. Abramov, Nikolay N. Vechkanov, Aleksey N. Guryanov, and Mikhail E. Likhachev "Single-mode large-mode-area Er-Yb fiber", Proc. SPIE 10914, Optical Components and Materials XVI, 109141R (27 February 2019); https://doi.org/10.1117/12.2508547

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