Mid-infrared Tunable High Pulse Energy Femtosecond Pulse Laser Generation 中红外可调谐大能量飞秒脉冲激光产生

Zhou，Hua1; Yao，Chuan Fei2; Jia，Zhi Xu1; Wu，Chang Feng3; Qin，Guan Shi1; Qin，Wei Ping1

2020-04-01

10.3788/fgxb20204104.0435

发光学报   影响因子和分区

1000-7032

Mid-infrared tunable femtosecond fiber laser has attracted many attentions for widely applications. Recently, Raman soliton self-frequency shifting effect in nonlinear fibers was regarded as a promising approach to obtain such pulse laser. However, other higher order nonlinear effects occurred in fibers will limit the pulse energy promoting. So, to further enhance the pulse energy of Raman soliton, we proposed a novel method where the rare-earth doped nonlinear fiber was used as nonlinear medium. We numerically investigated the impacts of the optical gain on the pulse energy, pulse width and spectrum of the wavelength shifting Raman soliton. The results show that as the Raman soliton shifted into the wavelength range where the optical gain introduced, the pulse energy of the soliton pulse was enlarged by several times, and the pulse width was compressed to 45 fs. Meanwhile, the wavelength of the femtosecond Raman soliton pulse can be widely tuned by changing the optical net gain. Therefore, by using rare-earth doped fiber as the nonlinear medium and gain medium, we can achieve the generation of mid-infrared tunable high pulse energy femtosecond pulse laser.

Mid-infrared femtosecond pulse Optical gain Soliton self-frequency shifting effects Tunable

EI

中文

其他

国家自然科学基金(61378004,61527823,61605058,61827821)

20202108699926

Fibers ; Infrared devices ; Rare earths ; Fiber lasers ; Nonlinear systems ; Nonlinear optics

Nonlinear Optics:741.1.1 ; Solid State Lasers:744.4 ; Inorganic Compounds:804.2 ; Systems Science:961

2-s2.0-85084951766

Scopus

fgxb202004011

1.State Key Laboratory on Integrated Optoelectronics,College of Electronic Science and Engineering,Jilin University,Changchun,130012,China
2.Institute of Laser Engineering,Beijing University of Technology,Beijing,100022,China
3.Department of Biomedical Engineering,Southern University of Science and Technology,Shenzhen,518055,China

Zhou，Hua,Yao，Chuan Fei,Jia，Zhi Xu,等. Mid-infrared Tunable High Pulse Energy Femtosecond Pulse Laser Generation 中红外可调谐大能量飞秒脉冲激光产生[J]. 发光学报,2020,41(4):435-441.

Zhou，Hua,Yao，Chuan Fei,Jia，Zhi Xu,Wu，Chang Feng,Qin，Guan Shi,&Qin，Wei Ping.(2020).Mid-infrared Tunable High Pulse Energy Femtosecond Pulse Laser Generation 中红外可调谐大能量飞秒脉冲激光产生.发光学报,41(4),435-441.

Zhou，Hua,et al."Mid-infrared Tunable High Pulse Energy Femtosecond Pulse Laser Generation 中红外可调谐大能量飞秒脉冲激光产生".发光学报 41.4(2020):435-441.