Journal
OPTICS COMMUNICATIONS
Volume 475, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.optcom.2020.126222
Keywords
CuCrO2; Metal oxides; Q-switched; Fiber lasers; Saturable absorber
Categories
Funding
- National Natural Science Foundation of China [61804014, 61805023, 61804013]
- Excellent Youth Foundation of Jilin Province, China [20180520194JH]
- Changchun University of Science and Technology Youth Science Foundation, China [XQNJJ-2017-20]
- Jilin Science and Technology Development Plan, China [20180519018JH]
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We demonstrate metal oxides CuCrO2 exhibit considerable nonlinear saturable absorption property in the nearinfrared region, and fabricate typical saturable absorber (SA) by wrapping the CuCrO2 nanoparticles(NPs) into a sodium carboxymethylcellulose (NaCMC) film or polyimide (PI) film separately. These SA films could keep stable exposed to air condition for several months. In the CuCrO2 -NaCMC (CuCrO2-PI) Q-switched fiber laser, the pulse repetition rate increases from 10.6 kHz (48.5 kHz) to 24.6 kHz (88.7 kHz) and the pulse duration decreases from 19.08 mu s (3.85 mu s) to 3.91 mu s (1.18 mu s) by adjusting the pump power from 53 mW (82.6 mW) to 188.6 mW (184.6 mW). The results suggest that CuCrO2 could be a promising SA for ultrafast lasers generation.
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