[1] Z. Chen, A. Taflove, and V. Backman, Opt. Express 12, 1214 (2004).

[2] S.-C. Kong, A. V. Sahakian, A. Heifetz, A. Taflove, and V. Backman, Appl. Phys. Lett. 92, 211102 (2008).

[3] S. Lecler, Y. Takakura, and P. Meyrueis, Opt. Lett. 30, 2641 (2005).

[4] X. Li, Z. Chen, A. Taflove, and V. Backman, Opt. Express 13, 526 (2005).

[5] Z. Chen, A. Taflove, X. Li, and V. Backman, Opt. Lett. 31, 196 (2006).

[6] A. Heifetz, K. Huang, A. V. Sahakian, X. Li, A. Taflove, and V. Backman, Appl. Phys. Lett. 89, 221118 (2006).

[7] A. V. Itagi and W. A. Challener, J. Opt. Soc. Am. A 22, 2847 (2005).

[8] S. Lecler, S. Haacke, N. Lecong, O. Cregut, J.-L. Rehspringer, and C. Hirlimann, Opt. Express 15, 4935 (2007).

[9] W. Wu, A. Katsnelson, O. G. Memis, and H. Mohseni, Nanotechnology 18, 485302 (2007).

[10] A. Heifetz, J. J. Simpson, S.-C. Kong, A. Taflove, and V. Backman, Opt. Express 15, 17334 (2007).

[11] M. Gerlach, Y. P. Rakovich, and J. F. Donegan, Opt. Express 15, 17343 (2007).

[12] P. Ferrand, J. Wenger, A. Devilez, M. Pianta, B. Stout, N. Bonod, E. Popov, and H. Rigneault, Opt. Express 16, 6930 (2008).

[13] A. M. Kapitonov and V. N. Astratov, Opt. Lett. 32, 409 (2007).

[14] Z. Mao, C. Wang, and Y. Cheng, Chinese J. Laser (in Chinese) 35, 1283 (2008).

[15] C. Guo, W. Ye, X. Yuan, J. Zhang, C. Zeng, and J. Ji, Acta Opt. Sin. (in Chinese) 29, 3272 (2009).

[16] Y. Chen, D. Zhao, J. Zhang, J. Zhu, and X. Wang, Acta Opt. Sin. (in Chinese) 28, 1031 (2008).

[17] S.-C. Kong, A. Sahakian, A. Taflove, and V. Backman, Opt. Express 16, 13713 (2008).