All-Fiber Mode-Locked Laser Utilizing 45°-Tilted Fiber Grating-Based Polarization Beam Splitter

被引：7
|
作者：
Xing, Zhikun [1 ,2 ]
Yan, Zhijun [1 ,2 ]
Song, Qingguo [1 ,2 ]
Mou, Chengbo [3 ,4 ]
Sun, Qizhen [1 ,2 ]
Liu, Deming [1 ,2 ]
Zhang, Lin [5 ]
机构：
[1] Huazhong Univ Sci & Technol, Natl Engn Lab Next Generat Internet Access Syst, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
[3] Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai Inst Adv Commun & Data Sci, Shanghai 200444, Peoples R China
[4] Shanghai Univ, Joint Int Res Lab Specialty Fiber Opt & Adv Commu, Shanghai 200444, Peoples R China
[5] Aston Univ, Aston Inst Photon Technol, Birmingham B4 7ET, W Midlands, England
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2020年 / 32卷 / 21期
关键词：
Mode-locked laser; 45 degrees-tilted fiber gratings; in-fiber device; polarization beam spillter; OPERATION REGIMES; ROTATION; LOCKING; SINGLE; PULSES;
D O I：
10.1109/LPT.2020.3024802
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We have experimentally demonstrated an all-fiber mode-locked laser by using a 45 degrees-tilted fiber grating (45 degrees-TFG) based in-fiber polarization beam splitter (PBS). Based on the nonlinear polarization rotation (NPR), the slanted refractive index modulation structure of the 45 degrees TFG is able to tap the pluses out from the side face of the fiber. The central wavelength of the laser is 1559.9 nm and the period of pulse train is 156 ns, corresponding to the fundamental repetition rate of 6.79 MHz, the pulse energy of 0.26 nJ and the pulse duration of 1.06ps. Additionally, the laser shows a high degree of polarization (DOP) output of 99.8%. This mode-locked fiber laser with single polarization mode output is reliable during long-term operation and thus promising for many practical applications. As a proof of principle, the demonstrated laser can provide neat solution in designing compact mode-locked fiber laser.
引用
收藏
页码：1389 / 1392
页数：4
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