高信噪比可调谐环形掺铒光纤激光器的研究

Investigation of High SNR Tunable Ring Er^(3+)-doped Fiber Laser

报道用 980nm半导体激光器泵浦的仅用 3m高掺铒光纤连续可调谐环形光纤激光器的一些实验研究结果。可调谐谱宽可达 3 0nm(从 1.5 3 μm到 1.5 6μm) ,2 5dB带宽 <0 .4nm ,边模抑制比 >5 5dB。最大输出光功率 3 3mW ,功率稳定性优于± 0 .0 2dB。阈值泵浦功率 8.6mW ,斜率效率达 3 6.67%。

Some experimental results on Continuously tunable ring only 3m high Er 3+ -doped fiber laser pumped by a 980nm semiconductor laser are reported.The tuning range of 30nm(1.53μm～1.56μm),spectral width<0.4nm and edge-mode suppression ratio>55dB have been achieved.Max.output power is 33mW,its power stability is better than ±0.02dB.The laser had a threshold of 8.6mW and a slope efficiency of 36.67%.