Carboxyl graphene oxide mode-locked femtosecond fiber laser. (7th July 2020)

• Record Type: Journal Article
• Authors: Wu, Hao; Zhu, Jiwen; Hou, Lei; Li, Duidui; Han, Jing; Sun, Zhipei; Li, Diao; Ren, Zhaoyu
• Is Part Of: Applied physics express. Volume 13:Number 8(2020)
• Publication Date: 2020-07-07
• Subjects: carboxyl graphene oxide -- femtosecond laser -- bound state solitons; Physics -- Periodicals; Technology -- Periodicals; 621.05
• DOI: 10.35848/1882-0786/ab9d0c
• Languages: English
• ISSNs: 1882-0778

Abstract

Abstract: We report a novel graphene oxide derived nanomaterial, carboxyl graphene oxide (GO-COOH) based saturable absorber (SA) for ultra-short pulse generation. Our GO-COOH based SA demonstrates a large modulation depth of 11.4% and a low saturation intensity of 31.12 MW cm −2 . The output pulse width is ∼398 fs with a spectral bandwidth of ∼7.45 nm. Stable bound state solitons are also generated with the GO-COOH based SA. Our results show that the GO-COOH is a promising SA for femtosecond pulse generation.