石墨
饱和吸收
宽带
材料科学
吸收(声学)
光电子学
激光器
光学
纳米技术
石墨烯
物理
光纤激光器
波长
复合材料
作者
Qi Yang,Xiaoyan Zhang,Zixin Yang,Xianghe Ren,Jun Wang,Qiaodan Li,Xiaoli Cui,Xiaolei Zhu
标识
DOI:10.7567/1882-0786/ab4f49
摘要
γ-graphyne, a two-dimensional carbon material, has attracted much attention due to its unique characteristics, such as high carrier mobility and high stability. In the present study, a γ-graphyne saturable absorber (SA) was fabricated and characterized. The linear optical absorption in the spectral range from the visible to mid-infrared as well as the nonlinear optical character of the SA were investigated. Passively Q-switched solid-state lasers emitting at 639 nm, 1342 nm and 1932 nm were realized using the γ-graphyne SA. The results indicate that γ-graphyne could be a promising alternative to the rare broadband optical modulator.
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