Generation of coexisting high-energy pulses in a mode-locked all-fiber laser with a nonlinear multimodal interference technique | |
Chen, Guangwei1,2; Li, Wenlei1,2; Wang, Guomei1,2; Zhang, Wenfu1,2; Zeng, Chao1,2; Zhao, Wei1,2![]() | |
刊名 | PHOTONICS RESEARCH
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2019-02-01 | |
卷号 | 7期号:2页码:187–192 |
ISSN号 | 2327-9125 |
DOI | 10.1364/PRJ.7.000187 |
产权排序 | 1 |
英文摘要 | We demonstrate a passively mode-locked all-fiber laser incorporating a piece of graded-index multimode fiber as a mode-locking modulator based on a nonlinear multimodal interference technique, which generates two types of coexisting high-energy ultrashort pulses [i.e., the conventional soliton (CS) and the stretched pulse (SP)]. The CS with pulse energy as high as 0.38 nJ is obtained at the pump level of 130 mW. When the pump increases to 175 mW, the high-energy SP occurs at a suitable nonlinear phase bias and its pulse energy can reach 4 nJ at a 610 mW pump. The pulse durations of the generated CS and SP are 2.3 ps and 387 fs, respectively. The theory of nonlinear fiber optics, single-shot spectral measurement by the dispersive Fourier-transform technique, and simulation methods based on the Ginzburg-Landau equation are provided to characterize the laser physics and reveal the underlying principles of the generated CS and SP. A rogue wave, observed between the CS and SP regions, mirrors the laser physics behind the dynamics of generating a high-energy SP from a CS. The proposed all-fiber laser is versatile, cost-effective and easy to integrate, which provides a promising solution for high-energy pulse generation. (C) 2019 Chinese Laser Press |
语种 | 英语 |
出版者 | OPTICAL SOC AMER |
WOS记录号 | WOS:000457501900013 |
内容类型 | 期刊论文 |
源URL | [http://ir.opt.ac.cn/handle/181661/31207] ![]() |
专题 | 西安光学精密机械研究所_瞬态光学技术国家重点实验室 |
通讯作者 | Zeng, Chao |
作者单位 | 1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Chen, Guangwei,Li, Wenlei,Wang, Guomei,et al. Generation of coexisting high-energy pulses in a mode-locked all-fiber laser with a nonlinear multimodal interference technique[J]. PHOTONICS RESEARCH,2019,7(2):187–192. |
APA | Chen, Guangwei,Li, Wenlei,Wang, Guomei,Zhang, Wenfu,Zeng, Chao,&Zhao, Wei.(2019).Generation of coexisting high-energy pulses in a mode-locked all-fiber laser with a nonlinear multimodal interference technique.PHOTONICS RESEARCH,7(2),187–192. |
MLA | Chen, Guangwei,et al."Generation of coexisting high-energy pulses in a mode-locked all-fiber laser with a nonlinear multimodal interference technique".PHOTONICS RESEARCH 7.2(2019):187–192. |
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