Wideband tunable passively <italic>Q</italic>-switched fiber laser at 2.8  μm using a broadband carbon nanotube saturable absorber

Yanjia Lü; Chen Wei; Han Zhang; Zhe Kang; Guanshi Qin; Yong Liu

doi:doi:10.1364/PRJ.7.000014

Photonics Research, 2019, 7 (1): 01000014, Published Online: Feb. 21, 2019

Wideband tunable passively Q-switched fiber laser at 2.8 μm using a broadband carbon nanotube saturable absorber

Yanjia Lü ¹Chen Wei ^1,5,*Han Zhang ²Zhe Kang ^3,6,*Guanshi Qin ⁴Yong Liu ¹

Author Affiliations

¹ State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China

² College of Electrical Engineering and Information Technology, Sichuan University, Chengdu 610065, China

³ Changchun Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Changchun 130012, China

⁴ State Key Laboratory on Integrated Optoelectronics, College of Electronic Science & Engineering, Jilin University, Changchun 130012, China

⁵ e-mail: cwei@uestc.edu.cn

⁶ e-mail: kangz@cho.ac.cn

Figures & Tables

Fig. 1. TEM images of SWCNTs on the scale of (a) 100 nm and (b) 10 nm. (c) Raman spectrum.

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Fig. 2. (a) Linear and (b) nonlinear transmission of the SWCNT sample.

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Fig. 3. Schematic setup of the tunable carbon nanotube Q-switched Ho3+/Pr3+-codoped ZBLAN fiber laser.

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Fig. 4. Q-switched pulse train at the launched pump power of 445.6 mW. Inset: corresponding optical and RF spectra.

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Fig. 5. (a) Repetition rate and pulse duration, (b) output power and single pulse energy as functions of the launched pump power.

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Fig. 6. Normalized spectra and the corresponding average output power from the tunable Q-switched laser.

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Fig. 7. Repetition rate and pulse duration as functions of the tuning wavelength.

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Yanjia Lü, Chen Wei, Han Zhang, Zhe Kang, Guanshi Qin, Yong Liu. Wideband tunable passively Q-switched fiber laser at 2.8 μm using a broadband carbon nanotube saturable absorber[J]. Photonics Research, 2019, 7(1): 01000014.

Wideband tunable passively Q-switched fiber laser at 2.8 μm using a broadband carbon nanotube saturable absorber

Fig. 1. TEM images of SWCNTs on the scale of (a) 100 nm and (b) 10 nm. (c) Raman spectrum.

Fig. 2. (a) Linear and (b) nonlinear transmission of the SWCNT sample.

Fig. 3. Schematic setup of the tunable carbon nanotube Q-switched Ho3+/Pr3+-codoped ZBLAN fiber laser.

Fig. 4. Q-switched pulse train at the launched pump power of 445.6 mW. Inset: corresponding optical and RF spectra.

Fig. 5. (a) Repetition rate and pulse duration, (b) output power and single pulse energy as functions of the launched pump power.

Fig. 6. Normalized spectra and the corresponding average output power from the tunable Q-switched laser.

Fig. 7. Repetition rate and pulse duration as functions of the tuning wavelength.

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Wideband tunable passively Q-switched fiber laser at 2.8 μm using a broadband carbon nanotube saturable absorber

Fig. 1. TEM images of SWCNTs on the scale of (a) 100 nm and (b) 10 nm. (c) Raman spectrum.

Fig. 2. (a) Linear and (b) nonlinear transmission of the SWCNT sample.

Fig. 3. Schematic setup of the tunable carbon nanotube Q-switched Ho3+/Pr3+-codoped ZBLAN fiber laser.

Fig. 4. Q-switched pulse train at the launched pump power of 445.6 mW. Inset: corresponding optical and RF spectra.

Fig. 5. (a) Repetition rate and pulse duration, (b) output power and single pulse energy as functions of the launched pump power.

Fig. 6. Normalized spectra and the corresponding average output power from the tunable Q-switched laser.

Fig. 7. Repetition rate and pulse duration as functions of the tuning wavelength.

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