Chinese Optics Letters, Volume. 20, Issue 1, 011404(2022)
Mode-locked fiber laser of 3.5 µm using a single-walled carbon nanotube saturable absorber mirror
Figures & Tables(4)
Fig. 1. (a) Prepared SWCNT-SAM. Inset: dispersion of SWCNT. (b) TEM image of SWCNT in coarse resolution. (c) TEM images of SWCNT in fine resolution. (d) Raman spectrum of SWCNT-SAM.
Fig. 2. (a) Linear and (b) nonlinear reflection characteristics of SWCNT-SAM. (c) Schematic of the setup for characterizing saturable absorption.
Fig. 3. Experimental setup of the 3.5 µm mode-locked fiber laser and the diagram showing the transition processes involved in the generation of the 3.5 µm radiation.
Fig. 4. Characteristics of the 3.5 µm mode-locked pulses: (a) optical spectrum, inset: optical spectrum in linear format; (b) pulse train; (c) RF spectrum around the fundamental frequency, inset: RF spectrum in a 500 MHz span. (d) Damaged surface of SWCNT-SAM, inset: pulse train of the Q-switched pulses.
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Jincheng Wei, Peng Li, Linpeng Yu, Shuangchen Ruan, Keyi Li, Peiguang Yan, Jiachen Wang, Jinzhang Wang, Chunyu Guo, Wenjun Liu, Ping Hua, Qitao Lü. Mode-locked fiber laser of 3.5 µm using a single-walled carbon nanotube saturable absorber mirror[J]. Chinese Optics Letters, 2022, 20(1): 011404
Paper Information
Category: Lasers, Optical Amplifiers, and Laser Optics
Received: Sep. 6, 2021
Accepted: Oct. 14, 2021
Published Online: Nov. 12, 2021
The Author Email: Chunyu Guo (cyguo@szu.edu.cn)
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