We present first dual-wavelength all-fiber laser, based on isolator-free theta cavity with two fiber Bragg mirrors and thulium- and holmium-doped fibers. Laser provides 350mW total power with 8% slope efficiency, and linewidth less than 01.mm.
Camille Sophie Brès, Moritz Bartnick, Gayathri Bharathan
Camille Sophie Brès, Marco Clementi, Jiaye Wu, Qian Li, Xuanyi Liu
Tobias Kippenberg, Junqiu Liu, Maxim Karpov, Anton Lukashchuk