Wanzhuo Ma, Desheng Zhao, Runmin Liu, Tianshu Wang, Quan Yuan, Hao Xiong, Haiying Ji, Huilin Jiang. Observation and optimization of 2 μm mode-locked pulses in all-fiber net anomalous dispersion laser cavity[J]. Opto-Electronic Advances, 2020, 3(11): 200001-1
- Opto-Electronic Advances
- Vol. 3, Issue 11, 200001-1 (2020)
Fig. 1. Experimental set-up of dispersion-managed mode-locked thulium-doped fiber laser.
Fig. 2. Conventional soliton at -0.508 ps2 net dispersion.
Fig. 3. Gaussian-type stretched pulses at -0.077 ps2 net dispersion.
Fig. 4. Performance of noise-like pulses.
Fig. 5. Schematic diagram of UHNA4 fiber loss measurement.
Fig. 6. (a ) Single pulse energy as a function of pump power. (b ) Peak power as a function of pump power before compression (at point a in Fig. 1 ). (c ) Peak power as a function of pump power after compression (at point c in Fig. 1 ).
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Table 1. Parameters of commercial UHNA fibers.
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Table 2. Testing results of insertion loss.
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