2-μm Narrow Linewidth All-Fiber DFB Fiber Bragg Grating Lasers for Ho- and Tm-Doped Fiber-Amplifier Applications

Wiktor Walasik, Daniya Traore, Alexandre Amavigan, Robert E. Tench, Jean-Marc Delavaux, and Emmanuel Pinsard, Journal of Lightwave Technology, vol. 39, no. 15, pp. 5096-5102 (2021).