Digital-wavelength ytterbium fiber laser mode-locked with MoS2

被引：11
作者：
Wang, Shiwei [1 ,2 ,3 ]
Zhou, Yan [1 ,3 ]
Wang, Yao [1 ,3 ]
Yan, Shuo [1 ,3 ]
Li, Yue [1 ,3 ]
Zheng, Wanguo [2 ]
Deng, Ying [2 ]
Zhu, Qihua [2 ,3 ]
Xu, Jianqiu [1 ,3 ]
Tang, Yulong [1 ,3 ]
机构：
[1] Shanghai Jiao Tong Univ, Key Lab Laser Plasmas, Minist Educ, Dept Phys & Astron, Shanghai 200240, Peoples R China
[2] China Acad Engn Phys, Res Ctr Laser Fus, Mianyang 621900, Peoples R China
[3] Shanghai Jiao Tong Univ, IFSA, Collaborat Innovat Ctr, Shanghai 200240, Peoples R China
来源：
LASER PHYSICS LETTERS | 2016年 / 13卷 / 05期
基金：
中国国家自然科学基金;
关键词：
mode-locked fiber lasers; MoS2; saturable absorber; digital-wavelength; ERBIUM-DOPED FIBER; DISSIPATIVE SOLITON GENERATION; SATURABLE ABSORBER; GRAPHENE; OPERATION;
D O I：
10.1088/1612-2011/13/5/055102
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this letter, we report a digital-wavelength ytterbium-doped fiber laser passively mode-locked with layered molybdenum disulfide (MoS2). The MoS2 based saturable absorber (SA) is made by solution coating the MoS2 solution on a gold mirror, showing modulation depth and saturation intensity of 11.4% and 1.37 MW cm(-2), respectively. The output pulse has duration of similar to 300 ps, 3 dB spectral width of similar to 0.5 nm and maximum output power of 2.6 mW. The mode-locked fundamental frequency is 2.67 MHz with a similar to 36 dB signal-to-noise ratio. Through tuning the polarization controller (PC) and squeezing/stretching the single mode fiber in the ring cavity, four-bit digital wavelength emission is achieved. It is proposed that the digital-wavelength tuning feature of fiber lasers can be employed in coding and signal processing.
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页数：5
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