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Ternary ReS_(2(1-x))Se_(2x) alloy saturable absorber for passively Q-switched and mode-locked erbium-doped all-fiber lasers

查看全文 作　　者：CHENXI [1]DOU;WEN [2,3]WEN;JUNLI [1]WANG;MENGYUAN [1]MA;LIMING [2,3]XIE;CHING-HWA [4]HO;ZHIYI [5]WEI 高影响力作者 机构地区：[1]School of Physics and Optoelectronics Engineering, Xidian University;[2]CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience,National Center for Nanoscience and Technology;[3]University of Chinese Academy of Sciences;[4]Graduate Institute of Applied Science and Technology, Taiwan University of Science and Technology;[5]Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences高影响力机构 出　　处：《Photonics Research》索引2019年第7卷第3期,共6页高影响力期刊 基　　金：National Key R&D Program of China(2018YFB1107200);National Natural Science Foundation of China(NSFC)(61675158,21673058);Chinese Academy of Sciences Key Project(CAS Key Project)(QYZDBSSW-SYS031);Chinese Academy of Sciences(CAS)(XDB30000000) 摘　　要：We report Q-switched and mode-locked erbium-doped all-fiber lasers using ternary ReS_(2(1-x))Se_(2x) as saturable absorbers(SAs). The modulation depth and saturable intensity of the film SA are 1.8% and 0.046 MW∕cm2.In Q-switched mechanism output, the pulse was centered at 1531.1 nm with maximum pulse energy and minimum pulse width of 28.29 nJ and 1.07 μs, respectively. In mode-locked operation, the pulse was centered at1561.15 nm with pulse width of 888 fs, repetition rate of 2.95 MHz, and maximum pulse energy of 0.275 nJ. To the best of our knowledge, this is the first report on the mode-locked Er^(3+)-doped fiber laser using ternary transition metal dichalcogenides. This work suggests prospective 2 D-material SAs can be widely used in versatile fields due to their attractive optoelectronic and tunable energy bandgap properties. 关 键 词：TERNARY ReS2(1-x)Se2x ALLOY saturable absorber MODE-LOCKED ERBIUM-DOPED all-fiber lasers Q-switched
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