Chinese Optics Letters, Volume. 20, Issue 1, 010601(2022)
Harmonic mode-locked fiber laser based on microfiber-assisted nonlinear multimode interference
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Fig. 2. (a) Relationship between the diameter of GIMF and the beat length. (b) The number of self-imaging points. (c) Self-imaging points in the tapered GIMF.
Fig. 3. (a) Microscope image of the tapered SMS. (b) Nonlinear transmission curves of tapered SMS.
Fig. 4. Diagram of fiber laser based on SMS-tapered ultrafast optical switch.
Fig. 5. (a) Pulse trains of various harmonic orders. (b) Pulse profiles of various harmonic orders. (c) RF spectrum of 16th harmonic order. (d) Repetition rates of 16th HML observed at different times.
Fig. 6. Relationship between pump power and harmonic order at different waist diameters of tapered SMS.
Table 1. Pump Threshold for Harmonic Orders at Different Waist Diameters
View tableView in ArticleTable 1. Pump Threshold for Harmonic Orders at Different Waist Diameters
Harmonic Order Pump Threshold (mW) 15 µm 30 µm 40 µm 1 90 110 140 2 125 140 3 185 4 160 230 5 300 6 195
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Renyan Wang, Liang Jin, Jiazhu Wang, Shangzhi Xie, Xiaohui Li, Yingtian Xu, He Zhang, Xin Zhao, Xiaohui Ma, "Harmonic mode-locked fiber laser based on microfiber-assisted nonlinear multimode interference," Chin. Opt. Lett. 20, 010601 (2022)
Paper Information
Category: Fiber Optics and Optical Communications
Received: Jun. 9, 2021
Accepted: Aug. 2, 2021
Posted: Aug. 3, 2021
Published Online: Oct. 12, 2021
The Author Email: Liang Jin (jinliang@cust.edu.cn)
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