[1] Heifetz A., Kong S. C., Sahakian A. V., Taflove A. and Backman V., Journal of Computational and Theoretical Nanoscience 6, 1979 (2009).

[2] Itagi A. V. and Challener W. A., Journal of the Optical Society of America A: Optics Image Science and Vision 22, 2847 (2005).

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

[4] Aouani H. and Brasselet S., Biomedical Optics Express 1, 1075 (2010).

[5] Darafsheh A., Fardad A., Fried N. M., Antoszyk A. N., Ying H. S. and Astratov V. N., Opt. Express 19, 3440 (2011).

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

[7] Hao X., Kuang C. and Liu X., Applied Physics Letters 99, 203102 (2011).

[8] Wang Z. B., Guo W., Li L., Luk'yanchuk B., Khan A., Liu Z., Chen Z. C. and Hong M. H., Nature Communications 2, 1 (2011).

[9] Yang S., Taflove A. and Backman V., Opt. Express 19, 7084 (2011).

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

[11] Kim M. S., Scharf T., Muhlig S., Rockstuhl C. and Herzig H. P., Opt. Express 19, 10206 (2011).

[12] Liu Y., Wang B. and Ding Z., Chinese Optics Letters 9, 072901 (2011).

[13] Dorn R., Quabis S. and Leuchs G., Physical Review Letters 91, 233901 (2003).

[14] Kuang C., Liu Y., Hao X., Luo D. and Luo X., Optics Communications 285, 402 (2012).

[15] Kong S. C., Taflove A. and Backman V., Opt. Express 17, 3722 (2009).

[16] Geints Y. E., Panina E. K. and Zemlyanov A. A., Optics Communications 283, 4775 (2010).