[1] [1] Castro Neto A H, Guinea F, Peres N M R, et al. The electronic properties of graphene ［J］. Rev. Mod. Phys., 2009, 81(1): 109.

[2] [2] Bonaccorso F, Sun Z, Hasan T, et al. Graphene photonics and optoelectronics ［J］. Nature Photonics, 2010, 4: 611.

[3] [3] Novoselov K S, McCann E, Morozov S V, et al. Unconventional quantum Hall effect and Berry’s phase of 2π in bilayer graphene ［J］. Nat. Phys., 2006, 2: 177.

[4] [4] Tan Y W, Zhang Y, Bolotin K, et al. Measurement of scattering rate and minimum conductivity in graphene ［J］. Phys. Rev. Lett., 2007, 99: 246803.

[5] [5] Katsnelson M I, Novoselov K S, Geim A K. Chiral tunnelling and the Klein paradox in graphene ［J］. Nat. Phys., 2006, 2: 620.

[6] [6] Cheianov V V, Fal’ko V, et al. The focusing of electron flow and a Veselago lens in graphene p-n junctions ［J］. Science, 2007, 315: 1252.

[7] [7] Park C H, Son Y W, Yang L, et al. Electron beam supercollimation in graphene superlattices ［J］. Nano. Lett., 2008, 8: 2920.

[8] [8] Ghosh S, Sharma M. Electron optics with magnetic vector potential barriers in graphene ［J］. J. Phys.: Condens. Matter, 2009, 21: 292204.

[9] [9] Beenakker C W J, Sepkhanov R A, Akhmerov A R, et al. Quantum Goos-H nchen effect in graphene ［J］. Phys. Rev. Lett., 2009, 102: 146804.

[10] [10] Zhang F M, He Y, Chen X. Guided modes in graphene waveguides ［J］. Appl. Phys. Lett., 2009, 94: 212105.

[11] [11] Williams J R, Low Tony, Lundstrom M S, et al. Gate-controlled guiding of electrons in grapheme ［J］. Nat. Nanotech., 2011, 6: 222.

[12] [12] De Martino A, Dell’Anna L, Egger R. Magnetic confinement of massless Dirac fermions in graphene ［J］. Phys. Rev. Lett., 2007, 98: 066802.