Sequential generation of self-starting diverse operations in all-fiber laser based on thulium-doped fiber saturable absorber
Pei Zhang(张沛)1,2,3, Kaharudin Dimyati3,4, Bilal Nizamani3, Mustafa M. Najm3, and S. W. Harun3,5,†
1 School of Electrical and Information Engineering, Huaihua University, Huaihua 418008, China; 2 Key Laboratory of Intelligent Control Technology for Wuling-Mountain Ecological Agriculture in Hunan Province, Huaihua University, Huaihua 418008, China; 3 Department of Electrical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia; 4 Faculty of Advanced Technology and Multidiscipline, Airlangga University, Surabaya 60115, Indonesia; 5 Institute of Computer Science and Digital Innovation, UCSI University, Kuala Lumpur, Malaysia
Abstract Self-starting Q-switching, Q-switched mode-locking and mode-locking operation modes are achieved sequentially in an all-fiber erbium-doped fiber laser with thulium-doped fiber saturable absorber for the first time. The central wavelengths of Q-switching, Q-switched mode-locking and mode-locking operation modes are 1569.7 nm, 1570.9 nm, and 1572 nm, respectively. The mode-locking operation of the proposed fiber laser generates stable dark soliton with a repetition rate of 0.99 MHz and signal-to-noise ratio of 65 dB. The results validate the capability of generating soliton pulse by doped fiber saturable absorber. Furthermore, the proposed fiber laser is beneficial to the applications of optical communication and signal processing system.
Fund: This work was supported by the Science and Technology Innovation Program of Hunan Province, China (Grant No. 2021RC5012).
Corresponding Authors:
S. W. Harun
E-mail: wadi72@yahoo.com
Cite this article:
Pei Zhang(张沛), Kaharudin Dimyati, Bilal Nizamani, Mustafa M. Najm, and S. W. Harun Sequential generation of self-starting diverse operations in all-fiber laser based on thulium-doped fiber saturable absorber 2022 Chin. Phys. B 31 064204
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