All-optical switches have arisen great attention due to their ultrafast speed as compared with electric switches.However,the excellent optical properties and strong interaction of two-dimensional(2D)material MXene sho...All-optical switches have arisen great attention due to their ultrafast speed as compared with electric switches.However,the excellent optical properties and strong interaction of two-dimensional(2D)material MXene show great potentials in next-generation all-optical switching.As a solution,we propose all-optical switching used Au/MXene with switching full width at half maximum(FWHM)operating at 290 fs.Compared with pure MXene,the Au/MXene behaves outstanding performances due to local surface plasmon resonance(LSPR),including broadband differential transmission,strong near-infrared on/off ratio enhancement.Remarkably,this study enhances understanding of Au/MXene based ultrafast all-optical switching red-shifted about 34 nm in comparison to MXene,validating all optical properties of Au/MXene opening the way to the implementation of optical interconnection and optical switching.展开更多
基金supported by the funding of the Science and Technology Development Fund(Grant Nos.007/2017/A1 and 132/2017/A3)Macao Special Administration Region(SAR),China,and the National Natural Science Fundation of China(Grant Nos.61875138,61435010,and 6181101252)+1 种基金King Khalid University through Research Center for Advanced Materials Science(RCAMS)(Grant Nos.RCAMS/KKU/006/21)the Technology Innovation Commission of Shenzhen(Grant Nos.KQTD2015032416270385,JCYJ20150625103619275,JCYJ20170811093453105,KCXFZ20201221173413038,and JCYJ20190806163805286).
文摘All-optical switches have arisen great attention due to their ultrafast speed as compared with electric switches.However,the excellent optical properties and strong interaction of two-dimensional(2D)material MXene show great potentials in next-generation all-optical switching.As a solution,we propose all-optical switching used Au/MXene with switching full width at half maximum(FWHM)operating at 290 fs.Compared with pure MXene,the Au/MXene behaves outstanding performances due to local surface plasmon resonance(LSPR),including broadband differential transmission,strong near-infrared on/off ratio enhancement.Remarkably,this study enhances understanding of Au/MXene based ultrafast all-optical switching red-shifted about 34 nm in comparison to MXene,validating all optical properties of Au/MXene opening the way to the implementation of optical interconnection and optical switching.
