期刊
APPLIED PHYSICS LETTERS
卷 109, 期 22, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4969068
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资金
- Australia Research Council [DE120100291]
- China Scholarship Council (CSC)
- Baosteel-Australia Joint Research and Development Centre [BA11006]
Giant third-order nonlinear absorption and refraction of electrochemical graphene oxide (EGO) film were investigated in the femtosecond regime using the single beam Z-scan technique. The excellent chemical stability of the EGO film under high-power illumination up to 400 mJ/cm(2) is demonstrated, which can be attributed to the low oxidation degree revealed by the optical and Raman spectroscopies. High and broadband linear transmission over 70% has been observed from the visible to the infrared range. The low-loss EGO film with giant third-order nonlinearity, excellent chemical stability, large-scale preparation and flexible integration has a great potential for high-power nonlinear optical applications. Published by AIP Publishing.
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