Tunable Single and Multi-Wavelength Er-Doped Mode-Locked Fiber Laser Based on GIMF-PCF-GIMF

被引：6
作者：
Yu, Qixing [1 ,2 ]
Liu, Mengyuan [1 ,2 ]
Qi, Yaoyao [1 ,2 ]
Luan, Nannan [1 ,2 ]
Bai, Zhenxu [1 ,2 ]
Ding, Jie [1 ,2 ]
Yan, Bingzheng [1 ,2 ]
Wang, Yulei [1 ,2 ]
Lu, Zhiwei [1 ,2 ]
机构：
[1] Hebei Univ Technol, Ctr Adv Laser Technol, Sch Elect & Informat Engn, Tianjin 300401, Peoples R China
[2] Hebei Key Lab Adv Laser Technol & Equipment, Tianjin 300401, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2023年 / 35卷 / 19期
关键词：
GIMF-PCF-GIMF; multi-wavelength; MZI; mode-locked fiber laser;
D O I：
10.1109/LPT.2023.3296796
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 present a novel switchable multi-wavelength Er-doped mode-locked fiber laser built on graded-index multimode fiber (GIMF)-photonic crystal fiber (PCF)-GIMF-based saturable absorber in this letter. The mode-locked pulses achieve a fundamental repetition rate of 18.72 MHz and signal-to-noise ratio of 48 dB. The GIMF-PCF-GIMF also acts as a Mach Zehnder interferometer to obtain single-, dual-, triple- and quadruple-wavelength switching mode-locked lasing output by changing the polarization state. The single-wavelength and dual-wavelength lasers generated by this device have the characteristic of wavelength tunability, and the wavelength tuning ranges are 25.29 nm and 7.26 nm, respectively. The new switchable multi-wavelength mode-locked fiber laser can simultaneously provide light sources for multiple channels in high-speed and large-capacity fiber communication systems, making the design of optical transmitters more compact and economical.
引用
收藏
页码：1043 / 1046
页数：4
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