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Investigation of the interference phenomenon between ultrashort pulses based on an all-fiber laser
Duan, Lina1; Wang, Yishan2; Guo, Huinan3; Wang, Hushan2; Fan, Wei1; Li, Yan1; Hao, Minru1; Liu, Pandi1
作者部门瞬态光学研究室
2023-04-01
发表期刊LASER PHYSICS
ISSN1054-660X;1555-6611
卷号33期号:4
产权排序2
摘要

We experimentally report on the interference phenomenon between ultrashort pulses in fiber media. When the pulse interval goes further to a certain small scale, the interference effects can arise. As a result, the spectrum appears to be a modulation phenomenon. Different from the phenomenon of bound-state pulses in a fiber laser cavity, the relationship between the modulation period of the spectrum and the pulse interval in the time domain seems to go against the interference principle. At the same time, the time interval between the two pulses is far greater than the time difference caused by the optical path difference. We are very confused. It seems that when two pulses overlap by a certain proportion in time, they will push each other apart to increase the time interval. Moreover, when the pulse interval becomes smaller and the two pulses are overlapped in time, the corresponding autocorrelation trace exhibits only one peak with regular modulation instead of the conventional three peaks with equal spacing, which looks very strange and is hard to explain. Limited by our technical tools, we could not illustrate the physical causes, but there is no doubt that it will be very meaningful to research what happens. Our observations have found some novel optical phenomena in experiment, which may provide some reference for further exploration of interference phenomena between ultrashort pulses.

关键词fiber lasers optical solitons mode locking optical interference
DOI10.1088/1555-6611/acbb78
收录类别SCI
语种英语
WOS记录号WOS:000937566300001
出版者IOP Publishing Ltd
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/96373
专题瞬态光学研究室
通讯作者Duan, Lina
作者单位1.Xian Shiyou Univ, Sch Sci, Xian 710065, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
3.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Dept Aircraft Opt Imaging & Measurement Technol, Xian 710119, Peoples R China
推荐引用方式
GB/T 7714
Duan, Lina,Wang, Yishan,Guo, Huinan,et al. Investigation of the interference phenomenon between ultrashort pulses based on an all-fiber laser[J]. LASER PHYSICS,2023,33(4).
APA Duan, Lina.,Wang, Yishan.,Guo, Huinan.,Wang, Hushan.,Fan, Wei.,...&Liu, Pandi.(2023).Investigation of the interference phenomenon between ultrashort pulses based on an all-fiber laser.LASER PHYSICS,33(4).
MLA Duan, Lina,et al."Investigation of the interference phenomenon between ultrashort pulses based on an all-fiber laser".LASER PHYSICS 33.4(2023).
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