Spectral Tailoring of Random Fiber Laser Based on the Multimode Interference Filter

被引:9
作者
Wu, Han [1 ]
Meng, Qingyang [1 ]
Li, Jiaqi [1 ]
Han, Bing [1 ]
Wang, Zinan [1 ,2 ]
Rao, Yunjiang [1 ]
机构
[1] Univ Elect Sci & Technol China, Key Lab Opt Fiber Sensing & Commun, Chengdu 611731, Sichuan, Peoples R China
[2] Univ Elect Sci & Technol China, Ctr Informat Geosci, Chengdu 611731, Sichuan, Peoples R China
来源
IEEE ACCESS | 2018年 / 6卷
关键词
Random laser; fiber laser; multiwavelength laser; Raman gain; Rayleigh scattering; DISTRIBUTED-FEEDBACK; POWER; GENERATION;
D O I
10.1109/ACCESS.2018.2854963
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, we propose and experimentally demonstrate a novel scheme to tailor the spectrum of random fiber laser (RFL) based on the multimode interference effect. A fiber loop mirror (FLM) incorporating multimode interference filter (MMIF) with single mode fiber (SMF)-MMF-SMF structure acts as a wavelength-dependent point reflector in half-opened RFL. By varying the length of MMF, either single wavelength random lasing with specific wavelength or multiwavelength random lasing with selective wavelength spacing can be generated in MMIF-FLM-based RFL. Due to the wide wavelength range of the MMIF, cascaded multiwavelength random lasing can also be realized. The spectrum adjustable all fiberized RFL based on the MMIF shows distinct advantages, such as easy fabrication, wide operating wavelength range, and low-cost. Besides, the MMIF-FLM can has good power handling ability, by combining the MMIF-FLM and the short-length cavity, the proposed MMIF-based forward-pumping RFL also has a great potential to generate high power, high efficiency random lasing with the adjustable spectral property.
引用
收藏
页码:39435 / 39441
页数:7
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