[5] K Dholakia, T Čižmár. Shaping the future of manipulation. Nat Photonics, 5, 335-342(2011).
[6] M Padgett, R Bowman. Tweezers with a twist. Nat Photonics, 5, 343-348(2011).
[27] FontaineN KDoerrC RBuhlL LEfficient multiplexing and demultiplexing of free-space orbital angular momentum using photonic integrated circuits. In OFC/NFOEC 1-3 (IEEE, 2012).Fontaine N K, Doerr C R, Buhl L L. Efficient multiplexing and demultiplexing of free-space orbital angular momentum using photonic integrated circuits. In OFC/NFOEC 1-3 (IEEE, 2012).
[30] S Wang, Z L Deng, Y Y Cao, D J Hu, Y Xu et al. Angular momentum-dependent transmission of circularly polarized vortex beams through a plasmonic coaxial nanoring. IEEE Photonics J, 10, 5700109(2018).