Using Reduced Graphene Oxide to Generate Q-Switched Pulses in Er-Doped Fiber Laser
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Abstract
Using the reduced graphene oxide (rGO) as a saturable absorber (SA) in an Er-doped fiber (EDF) laser cavity, we obtain the Q-switching operation. The rGO SA is prepared by depositing the GO on fluorine mica (FM) using the thermal reduction method. The modulation depth of rGO/FM is measured to be 3.2%. By incorporating the rGO/FM film into the EDF laser cavity, we obtain stable Q-switched pulses. The shortest pulse duration is 3.53 μs, and the maximum single pulse energy is 48.19 nJ. The long-term stability of working is well exhibited. The experimental results show that the rGO possesses potential photonics applications.
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Lu Li, Rui-Dong Lv, Si-Cong Liu, Zhen-Dong Chen, Jiang Wang, Yong-Gang Wang, Wei Ren. Using Reduced Graphene Oxide to Generate Q-Switched Pulses in Er-Doped Fiber Laser[J]. Chin. Phys. Lett., 2018, 35(11): 114202. DOI: 10.1088/0256-307X/35/11/114202
Lu Li, Rui-Dong Lv, Si-Cong Liu, Zhen-Dong Chen, Jiang Wang, Yong-Gang Wang, Wei Ren. Using Reduced Graphene Oxide to Generate Q-Switched Pulses in Er-Doped Fiber Laser[J]. Chin. Phys. Lett., 2018, 35(11): 114202. DOI: 10.1088/0256-307X/35/11/114202
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Lu Li, Rui-Dong Lv, Si-Cong Liu, Zhen-Dong Chen, Jiang Wang, Yong-Gang Wang, Wei Ren. Using Reduced Graphene Oxide to Generate Q-Switched Pulses in Er-Doped Fiber Laser[J]. Chin. Phys. Lett., 2018, 35(11): 114202. DOI: 10.1088/0256-307X/35/11/114202
Lu Li, Rui-Dong Lv, Si-Cong Liu, Zhen-Dong Chen, Jiang Wang, Yong-Gang Wang, Wei Ren. Using Reduced Graphene Oxide to Generate Q-Switched Pulses in Er-Doped Fiber Laser[J]. Chin. Phys. Lett., 2018, 35(11): 114202. DOI: 10.1088/0256-307X/35/11/114202
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