Active manipulation of Fano resonance at visible and near-IR wavelengths in metal nanodevices is one of the important challenges for applications such as chemical and biological sensing. Here, we theoretically research an active manipulation of Fano resonance at visible and near-IR wavelengths in gold plasmonic nanodevices with graphene. The surface plasmon resonance of the gold plasmonic nanodevice with graphene has three resonance peaks, and this can be explained by the distribution of the electric field in the nanodevice. The Fano resonance wavelength of the gold plasmonic nanodevice with graphene has a significant blue-shift compared with the gold nanodevices without graphene. Moreover, the Fano resonance depends on the length and position of Au nanorods and the environment refractive index. The figure of merit of the gold nanodevice with graphene can be as high as 44.1, which makes the system suitable for high sensitivity applications. Finally, we actively manipulate the absorption spectrum and the reflected light phase through changing the Fermi energy of graphene. These results suggest an original method for the design of an actively manipulated Fano resonance nanodevice.

金属纳米器件中可见光和近红外波长的Fano共振的主动操纵是诸如化学和生物传感等应用程序的重要挑战之一。在这里，我们从理论上研究了石墨烯金等离激元纳米器件中可见光和近红外波长的Fano共振的主动操纵。具有石墨烯的金等离激元纳米器件的表面等离振子共振具有三个共振峰，这可以通过纳米器件中电场的分布来解释。与不具有石墨烯的金纳米器件相比，具有石墨烯的金等离激元纳米器件的法诺共振波长具有显着的蓝移。此外，法诺共振取决于金纳米棒的长度和位置以及环境折射率。具有石墨烯的金纳米器件的品质因数可以高达44.1，这使得该系统适合于高灵敏度应用。最后，我们通过改变石墨烯的费米能来主动控制吸收光谱和反射光相。这些结果表明了一种设计主动操纵的Fano共振纳米器件的原始方法。