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- Title
Observation of multipulse bunches in a graphene oxide passively mode-locked ytterbium-doped fiber laser with all-normal dispersion.
- Authors
Huang, Shisheng; Wang, Yonggang; Peiguang, Yan; Zhang, Gelin; Zhao, Junqing; Li, Huiquan; Lin, Rongyong; Cao, Guangzhong; Duan, Ji'an
- Abstract
We give a systematic experimental study of multipulse bunches in a graphene oxide saturable absorber (GOSA) passively mode-locked all-normal dispersion ytterbium-doped fiber laser (YDFL). Some special phenomena such as harmonic multipulse bunches, harmonic mode-locking, and chaotic multipulse states are also obtained. Our experiment reveals that the inserted 2.5-nm narrow bandwidth filter plays an important role in the formation of multipulse in all-normal dispersion fiber lasers. Because of the effective gain bandwidth depends on both the 2.5-nm narrow bandwidth filter and the artificial fiber birefringence filter, the multipulse operation states are sensitive to the polarization. It is the first demonstration of multipulse evolution in a GOSA passively mode-locked all-normal dispersion YDFL.
- Subjects
GRAPHENE oxide; YTTERBIUM; DOPING agents (Chemistry); FIBER lasers; DISPERSION (Chemistry); BIREFRINGENCE; SYNTHETIC fibers
- Publication
Applied Physics B: Lasers & Optics, 2014, Vol 116, Issue 4, p939
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-014-5780-7