Photonics Research, 2017, 5 (6): 06000612, Published Online: Dec. 7, 2017  

Harmonic dissipative soliton resonance pulses in a fiber ring laser at different values of anomalous dispersion Download: 541次

Author Affiliations
State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China
Abstract
The pulse dynamics of harmonic mode-locking in a dissipative soliton resonance (DSR) region in an erbium-doped fiber ring laser is investigated at different values of anomalous dispersion. The fiber laser is mode-locked by a nonlinear polarization rotation technique. By inserting 0–200 m anomalous dispersion single-mode fiber in the laser cavity, the cavity length is changed from 17.3 to 217.3 m, and the corresponding dispersion of the cavity ranges from ?0.27 to ?4.67 ps2. The observed results show that the tuning range of repetition rate under a harmonic DSR condition is highly influenced by the cavity dispersion. Furthermore, it is found that, by automatically adjusting their harmonic orders, the lasers can work at certain values of repetition rate, which are independent of the cavity length and dispersion. The pulses at the same repetition rate in different laser configurations have similar properties, demonstrating that each achievable repetition rate represents an operation regime of harmonic DSR lasers.

Yanjia Lyu, Hongxia Shi, Chen Wei, Heping Li, Jianfeng Li, Yong Liu. Harmonic dissipative soliton resonance pulses in a fiber ring laser at different values of anomalous dispersion[J]. Photonics Research, 2017, 5(6): 06000612.

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