Dispersion-Managed Tm-Ho Co-Doped Ultrashort Pulse Fiber Laser Using Single-Walled Carbon Nanotube and Spectral Filter

被引：2
作者：
Fukazawa, Keisuke [1 ]
Zhou, Ying [2 ]
Kitajima, Shotaro [1 ]
Saito, Takeshi [2 ]
Sakakibara, Youichi [2 ]
Nishizawa, Norihiko [1 ]
机构：
[1] Nagoya Univ, Dept Elect, Nagoya 4648603, Japan
[2] Natl Inst Adv Ind Sci & Technol, Tsukuba 3058568, Japan
来源：
APPLIED SCIENCES-BASEL | 2022年 / 12卷 / 23期
关键词：
fiber laser; ultrashort pulse; carbon nanotube; 2; MU-M; STRETCHED-PULSE; GENERATION; OSCILLATOR; OPERATION; ENERGY;
D O I：
10.3390/app122312369
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this paper, we have demonstrated a dispersion-managed, high-power, Tm-Ho co-doped ultrashort pulse fiber laser using a single walled carbon nanotube (SWNT) dispersed in polyimide film. An in-line type spectral filter was developed to control the output pulse spectra. Two SWNT films with different modulation depths were examined as a mode-locker. Normal dispersion fiber was used in the fiber laser oscillator, and dependence on net cavity dispersion was investigated. Passive mode-locking was achieved in a wide dispersion range, from -0.319 to +0.101 ps(2). Stable soliton mode-locking operation and dissipative soliton mode-locking operations were observed. The pumping efficiency was similar to 3 times higher than that in a Tm-doped fiber laser with a similar configuration. The developed fiber laser showed self-start and stable operations, and this laser is useful for practical applications.
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页数：12
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