Polarization- and Wavelength-Dependent Shell-Isolated-Nanoparticle-Enhanced Sum-Frequency Generation with High SensitivityRemoveYuhan He, He Ren, En-Ming You, Petar M. Radjenovic, Shi-Gang Sun, Zhong-Qun Tian, Jian-Feng Li, and Zhaohui WangPhys. Rev. Lett. 125, 047401 (2020)
