[3] Q. Bao, H. Zhang, B. Wang. Broadband graphene polarizer. Nat. Photonics, 5, 411-415(2011).
[4] J. E. Moore. The birth of topological insulators. Nature, 464, 194-198(2010).
[39] X. Deng, X. Zhang, S. Liu, C. Li. The theoretical analysis of critical conditions for several nonlinear absorptions. Acta Photon. Sin., 27, 1077-1090(1998).
[47] U. Keller. Recent developments in compact ultrafast lasers. Nature, 424, 831-838(2003).