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长春理工大学 物理学院, 吉林 长春 130022
[ "赵辉(2000-),男,山东潍坊人,硕士研究生,2022年于青岛理工大学获得学士学位,主要从事光纤激光器及放大器方面的研究。" ]
[ "王蓟(1978-),女,山东青岛人,博士,教授,2007年于中国科学院长春光学精密机械与物理研究所获得博士学位,主要从事光纤激光器及放大器方面的研究。" ]
收稿日期:2024-09-27,
修回日期:2024-10-16,
纸质出版日期:2025-01-25
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赵辉,王蓟,夏敬华等.自相似锁模超短脉冲掺铒光纤激光器[J].发光学报,2025,46(01):110-116.
ZHAO Hui,WANG Ji,XIA Jinghua,et al.Self-similar Mode-locked Ultrashort Pulse Erbium-doped Fiber Amplifier[J].Chinese Journal of Luminescence,2025,46(01):110-116.
赵辉,王蓟,夏敬华等.自相似锁模超短脉冲掺铒光纤激光器[J].发光学报,2025,46(01):110-116. DOI: 10.37188/CJL.20240231. CSTR: 32170.14.CJL.20240231.
ZHAO Hui,WANG Ji,XIA Jinghua,et al.Self-similar Mode-locked Ultrashort Pulse Erbium-doped Fiber Amplifier[J].Chinese Journal of Luminescence,2025,46(01):110-116. DOI: 10.37188/CJL.20240231. CSTR: 32170.14.CJL.20240231.
设计并搭建了自相似锁模超短脉冲光纤激光器和掺铒光纤放大器,在种子源部分,利用自制的碳纳米管可饱和吸收体结合色散管理的方式,控制腔内净色散为微正色散产生了自相似抛物线型锁模脉冲,并以此作为种子源进行后续的功率放大和光谱展宽。光纤放大级采用的是双向泵浦的方式,通过高增益低色散的掺铒光纤将种子光充分增益后,得到输出功率39.51 mW、光谱宽度38.11 nm、放大增益20.65 dB的激光输出。最后,采用普通单模光纤对放大后的自相似锁模脉冲进行压缩,获得压缩后脉冲宽度283 fs的超短脉冲激光输出。
A set of self-similar mode-locked ultrashort pulse fiber lasers and erbium-doped fiber amplifiers were designed and constructed. In the seed source part, the self-made carbon nanotube saturable absorber combined with dispersion management was used to control the net dispersion in the cavity to produce a self-similar parabolic pulse for micro-positive dispersion, which was used as the seed source for subsequent power amplification and spectral broadening. The amplification stage adopts a bidirectional pumping method, and the signal light is fully gained through the high-gain and low-dispersion Er-doped fiber. The output power is 39.51 mW, the spectral width is 38.11 nm, and the amplification gain is 20.65 dB laser output. Finally, the amplified self-similar mode-locked pulse is compressed by ordinary single-mode fiber, and the ultrashort pulse laser output with a compressed pulse width of 283 fs is obtained.
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