[1] B. Ferguson and X.-C. Zhang ,Nat. Mater. 1 , 26 (2002 ).
[2] P. H. Siegel ,IEEE Trans. Microwave Theory Technol. 50 , 910 (2002 ).
[3] S. Tzortzakis ,G. Méchain ,G. Patalano ,Y.-B. André ,B. Prade ,M. Franco ,A. Mysyrowicz ,J.-M. Munier ,M. Gheudin ,G. Beaudin , and P. Encrenaz ,Opt. Lett. 27 , 1944 (2002 ).
[4] M. C. Gaidis ,H. M. Pickett ,C. D. Smith ,R. P. Smith ,S. C. Martin , and P. H. Siegel ,IEEE Trans. Microwave Theory Technol. 48 , 733 (2000 ).
[5] G. J. Dolan ,T. G. Phillips , and D. P. Woody ,Appl. Phys. Lett. 34 , 347 (1979 ).
[6] H. Hamster ,A. Sullivan ,S. Gordon ,W. White , and R. W. Falcone ,Phys. Rev. Lett. 71 , 2725 (1993 ).
[7] Y. Cai ,I. Brener ,J. Lopata ,J. Wynn ,L. Pfeiffer ,J. B. Stark ,Q. Wu ,X. C. Zhang , and J. F. Federici ,Appl. Phys. Lett. 73 , 444 (1998 ).
[8] S.-G. Park ,M. R. Melloch , and A. M. Weiner ,Appl. Phys. Lett. 73 , 3184 (1998 ).
[9] S. Kono ,M. Tani ,P. Gu , and K. Sakai ,Appl. Phys. Lett. 77 , 4104 (2001 ).
[10] C. Kübler ,R. Huber , and A. Leitenstorfer ,Semicond. Sci. Technol. 20 , S128 (2005 ).
[11] G. Gallot and D. Grischkowsky ,J. Opt. Soc. Am. B 16 , 1204 (1999 ).
[12] Q. Wu and X.-C. Zhang ,Appl. Phys. Lett. 68 , 1604 (1996 ).
[13] Q. Wu and X.-C. Zhang ,Appl. Phys. Lett. 70 , 1784 (1997 ).
[14] J. van Tilborg ,C. B. Schroeder ,C. V. Filip ,Cs. Tóth ,C. G. R. Geddes ,G. Fubiani ,R. Huber ,R. A. Kaindl ,E. Esarey , and W. P. Leemans ,Phys. Rev. Lett. 96 , 014801 (2006 ).
[15] A. Nahata ,A. S. Weling , and T. F. Heinz ,Appl. Phys. Lett. 69 , 2321 (1996 ).
[16] Z. Jiang and X.-C. Zhang ,Appl. Phys. Lett. 72 , 1945 (1998 ).
[17] J. Shan ,A. S. Weling ,E. Knoesel ,L. Bartels ,M. Bonn ,A. Nahata ,G. A. Reider , and T. F. Heinz ,Opt. Lett. 25 , 426 (2000 ).
[18] F. G. Sun ,Z. Jiang , and X.-C. Zhang ,Appl. Phys. Lett. 73 , 2233 (1998 ).
[19] S. P. Jamison ,J. Shen ,A. M. MacLeod ,W. A. Gillespie , and D. A. Jarpszynski ,Opt. Lett. 28 , 1710 (2003 ).
[20] K. Y. Kim ,B. Yellampalle ,G. Rodriguez ,R. D. Averitt ,A. J. Taylor , and J. H. Glownia ,Appl. Phys. Lett. 88 , 041123 (2006 ).
[21] B. Yellampalle ,K. Y. Kim ,G. Rodriguez ,J. H. Glownia , and A. J. Taylor ,Appl. Phys. Lett. 87 , 211109 (2005 ).
[22] W. P. Leemans ,C. G. R. Geddes ,J. Faure ,Cs. Tóth ,J. van Tilborg ,C. B. Schroeder ,E. Esarey ,G. Fubiani ,D. Auerbach ,B. Marcelis ,M. A. Carnahan ,R. A. Kaindl ,J. Byrd , and M. C. Martin ,Phys. Rev. Lett. 91 , 074802 (2003 ).
[23] Z.-M. Sheng ,K. Mima ,J. Zhang , and H. Sanuki ,Phys. Rev. Lett. 94 , 095003 (2005 ).
[24] K. Y. Kim ,A. J. Taylor ,J. H. Glownia , and G. Rodriguez ,Nat. Photonics 2 , 605 (2008 ).
[25] Y. T. Li ,C. Li ,M. L. Zhou ,W. M. Wang ,F. Du ,W. J. Ding ,X. X. Lin ,F. Liu ,Z. M. Sheng ,X. Y. Peng ,L. M. Chen ,J. L. Ma ,X. Lu ,Dong Z. H. Wang ,Z. Y. Wei , and J. Zhang ,Appl. Phys. Lett. 100 , 254101 (2012 ).
[26] A. Gopal ,S. Herzer ,A. Schmidt ,P. Singh ,A. Reinhard ,W. Ziegler ,D. Brömmel ,A. Karmakar ,P. Gibbon ,U. Dillner ,T. May ,H.-G. Meyer , and G. G. Paulus ,Phys. Rev. Lett. 111 , 074802 (2013 ).
[27] J.-P. Geindre ,P. Audebert ,S. Rebibo , and J.-C. Gauthier ,Opt. Lett. 26 , 1612 (2001 ).
[28] M. L. Zhou ,F. Liu ,C. Li ,F. Du ,Y.-T. Li ,W.-M. Wang ,Z.-M. Sheng ,L.-M. Chen ,J.-L. Ma ,X. Lu ,Q.-L. Dong , and J. Zhang ,Chinese Phys. Lett. 29 , 015202 (2012 ).
[29] K. Y. Kim ,B. Yellampalle ,A. J. Taylor ,G. Rodriguez , and J. H. Glownia ,Opt. Lett. 32 , 1968 (2007 ).
[30] M. Drabbels and L. D. Noordam ,Appl. Phys. Lett. 74 , 1797 (1999 ).
[31] Z. Jiang ,F. G. Sun , and X.-C. Zhang ,Opt. Lett. 24 , 1245 (1999 ).