1.94 & 2.04 µm dual-band four-wavelength-switchable single-frequency narrow linewidth fiber laser using a novel fs-laser direct-written polarization-dependent four-channel filter

• DOI: 10.1016/j.optlastec.2024.111044
• Publication Date: 2024-04-18T16:39:30Z
• Authors: Jing Su; Ting Feng; Fengping Yan; Shaoheng Guo; Shengbao Wu; Bingyang Shen; Wenya Guo; X. Steve Yao
• Keywords: Laser linewidth; Fiber Bragg Grating; Channel spacing; Comb filter