Alrumeithi, Juma, and Igor A. Goncharenko. “A Single-Frequency Laser on the Base of Er – Yb Co-Doped Optical Fiber With Fiber Bragg Gratings”. Journal of the Belarusian State University. Physics, no. 2 (May 23, 2023): 4–13. Accessed November 8, 2026. https://journals.bsu.by/index.php/physics/article/view/5466.