Lasers, Fiber Optics, and Communications

Single-walled carbon nanotube solution-based saturable absorbers for mode-locked fiber laser

[+] Author Affiliations
Lu Li

Chinese Academy of Sciences, Xi’an Institute of Optics and Precision Mechanics (XIOPM), State Key Laboratory of Transient Optics and Photonics, Xinxi-road 17, Xi’an 710119, China

Xi’an Jiaotong University, Key Laboratory for Physical Electronics and Devices of the Ministry of Education and Shaanxi Key Lab of Information Photonic Technique, School of Electronic and Information Engineering, Xianning-xilu 28, Xi’an 710049, China

University of Chinese Academy of Sciences, Beijing 100049, China

Yonggang Wang

Chinese Academy of Sciences, Xi’an Institute of Optics and Precision Mechanics (XIOPM), State Key Laboratory of Transient Optics and Photonics, Xinxi-road 17, Xi’an 710119, China

Hang Sun, Lina Duan, Xi Wang

Chinese Academy of Sciences, Xi’an Institute of Optics and Precision Mechanics (XIOPM), State Key Laboratory of Transient Optics and Photonics, Xinxi-road 17, Xi’an 710119, China

University of Chinese Academy of Sciences, Beijing 100049, China

Jinhai Si

Xi’an Jiaotong University, Key Laboratory for Physical Electronics and Devices of the Ministry of Education and Shaanxi Key Lab of Information Photonic Technique, School of Electronic and Information Engineering, Xianning-xilu 28, Xi’an 710049, China

Opt. Eng. 54(8), 086103 (Aug 20, 2015). doi:10.1117/1.OE.54.8.086103
History: Received June 1, 2015; Accepted July 16, 2015
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Abstract.  The report proposed a saturable absorber based on a D-shaped fiber embedded in a single-walled carbon nanotube solution. Such a saturable absorber solution method with a D-shaped fiber has the virtues of good antioxidant capacity, excellent scattering resistance, high heat dissipation, and high damage threshold. The nonsaturable loss of this kind of saturable absorber was evaluated to be 3%. To the best of our knowledge, this is the lowest value compared with other carbon nanotube saturable absorbers. By incorporating the saturable absorber into a Yb-doped fiber laser cavity, a mode-locked fiber laser was achieved with a central wavelength of 1054.16 nm. The repetition rate was 23 MHz with a signal-to-noise ratio of 60 dB, and the pulse duration was measured to be 194 ps. The long-term working stability of working is also good. The results indicated that the solution method with a D-shaped fiber possesses a potential for fiber laser stability applications.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Lu Li ; Yonggang Wang ; Hang Sun ; Lina Duan ; Xi Wang, et al.
"Single-walled carbon nanotube solution-based saturable absorbers for mode-locked fiber laser", Opt. Eng. 54(8), 086103 (Aug 20, 2015). ; http://dx.doi.org/10.1117/1.OE.54.8.086103


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