Chinese Optics Letters, Volume. 20, Issue 1, 010601(2022)
Harmonic mode-locked fiber laser based on microfiber-assisted nonlinear multimode interference
Fig. 1. Schematic diagram of the tapered SMS structure.
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.
Fig. 7. Spectra of laser with various waist diameters.
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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[J]. Chinese Optics Letters, 2022, 20(1): 010601
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)