Xu, Xiaobin; Hasan, Dihan; Wang, Lei; Chakravarty, Swapnajit; Chen, Ray T.; Fan, D. L.; Wang, Alan X. (American Institute of Physics, 2012-05-07)
We demonstrate a surface enhanced Raman scattering (SERS) substrate by integrating plasmonic-active SiO₂ nanotubes into Si₃N₄ gratings. First, the dielectric grating that is working under guided mode resonance (GMR) prov ...