Office of Naval Research(Grant No.N00014-19-1-2011);Vannevar Bush Faculty Fellowship,Air Force Office of Scientific Research MURI program,A*STAR AME Young Individual Research Grant(YIRG,No.A2084c0172);National Research Foundation Singapore(CRP22-2019-0006);Advanced Research and Technology Innovation Centre(No.R-261-518-004-720);National Science Foundation under Grant No.2044281;Elemental Strategy Initiative conducted by MEXT,Japan,Grant Number JPMXP0112101001;JSPS KAKENHI Grant Number JP20H00354。
The topological features of optical vortices have been opening opportunities for free-space and on-chip photonic technologies,e.g.,for multiplexed optical communications and robust information transport.In a parallel ...