[3] CHU S,WONG S.Linear pulse propagation in an absorbing medium[J].Phy Rev Lett,1982,48(11):738-741.

[4] STEINBERG A M,KWIAT P G,CHIAO R Y.Measurement of the single-photon tunneling time[J].Phy Rev Lett,1993,71(5):708-711.

[5] ENDERA A,NIMTZ G.Photonic-tunneling experiments[J].Phy Rev B,1993,47(15):9605-9609.

[8] HACHè A,POIRIER L.Long-range superluminal pulse propagation in a coaxial photonic[J].Appl Phys Lett,2002,80(3):518-520.

[9] MUNDAY J N,ROBERT W M.Negative group velocity pulse tunneling through a coaxial photonic crystal[J].Appl Phys Lett,2002,81(11):2127-2129.

[12] HUANG Z X,LU G Z,GUAN J.Superluminal and negative group velocity in the electromagnetic wave propagation[J].Engineering Sciences,2003,1 (2):35-39.