[1] T. Krauss. Why do we need slow light?. Nat. Photonics, 2, 448(2008).
[41] I. Aharonovich, M. Toth. Quantum emitters in two dimensions. Science, 358, 170(2017).
[45] L. Lu, J. D. Joannopoulos, M. Soljačić. Topological photonics. Nat. Photonics, 8, 821(2014).
[50] W. Wang, G. Li, D. Xue. Study of voltage-dependent electric-control birefringence of liquid crystal. Acta Opt. Sin., 24, 970(2004).