Professor Tao Li, Doctor Shuming Wang, Yulin Wang, and Beibei Xu, attended the International Symposium on Plasmonics and Nanophotonics (iSPN) held in Dalian. Professor Tao Li delivered an invited talk entitled “Imperfect phase matching for beam engineering and OAM demultiplexing”. Yulin Wang gave a contributed presentation entitled “Graphene Optical Modulator Based on Groove-Structured Metasurfaces”. Beibei Xu provided a Poster entitled “Simulation of Massless Dirac Fermion in plasmonic waveguide arrays”, which was awarded the First Place of the “Best Student Paper Contest”.