Vector soliton and noise-like pulse generation using a Ti 3 C 2 MXene material in a fiber laser
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Frontiers of Information Technology & Electronic Engineering www.jzus.zju.edu.cn; engineering.cae.cn; www.springerlink.com ISSN 2095-9184 (print); ISSN 2095-9230 (online) E-mail: [email protected]
Vector soliton and noise-like pulse generation using a Ti3C2 MXene material in a fiber laser* Shuai WANG1, Lei LI†1, Yu-feng SONG2, Ding-yuan TANG3, De-yuan SHEN1, Lu-ming ZHAO†‡1,4 1
Jiangsu Key Laboratory of Advanced Laser Materials and Devices, Jiangsu Collaborative Innovation Center of Advanced Laser
Technology and Emerging Industry, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China 2
Shenzhen Engineering Laboratory of Phosphorene and Optoelectronics, International Institute of Microscale Optoelectronics,
International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Shenzhen University, Shenzhen 518060, China 3
School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore 4
Kunshan Shunke Laser Technology Co., Ltd., Suzhou 215300, China †
E-mail: [email protected]; [email protected]
Received Jan. 17, 2020; Revision accepted May 7, 2020; Crosschecked June 5, 2020
Abstract: We built a Tm:Ho co-doped fiber laser using a Ti3C2 MXene material as a saturable absorber (SA). The formation of vector solitons (VSs) and noise-like pulses (NLPs) was observed. The SA was prepared by dripping a Ti3C2 solution on a side-polished D-shaped fiber and then naturally vaporized. The VS is characterized by two coexisting sets of Kelly sidebands. By modulating the polarization controller in the fiber laser, NLPs with about 3.3 nm bandwidth can be switched from the VS. To the best of our knowledge, this is the first time that VSs have been generated in a fiber laser using a Ti3C2 MXene material as the SA. Key words: Vector soliton; Noise-like pulse; MXene; Laser fiber https://doi.org/10.1631/FITEE.2000033 CLC number: TN29
1 Introduction Fiber lasers are widely used in optical fiber communications, laser marking, laser cutting, military defense, and medical fields because of their compact structure, easier integration, and better beam quality as compared with other lasers (Shi et al., 2014). Mode-locked fiber lasers have attracted the attention of many researchers because of their
‡
Corresponding author Project supported by the National Natural Science Foundation of China (Nos. 11674133 and 61575089) and the Postgraduate Research Innovation Program of Jiangsu Normal University, China (No. 2018YXJ594) ORCID: Shuai WANG, https://orcid.org/0000-0003-1035-4518; Lu-ming ZHAO, https://orcid.org/0000-0002-4150-1157 © Zhejiang University and Springer-Verlag GmbH Germany, part of Springer Nature 2020 *
capability of generating pulses with a narrow pulse width, high peak power, and abundant dynamic phenomena. Active mode-locking and passive mode-locking are the main techniques used to achieve mode-locking in a fiber laser. The widely used passive mode-locking method uses mainly a satura
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