[1] V. I. Kopp, V. M. Churikov, J. Singer, N. Chao, D. Neugroschl, and A. Z. Genack, Science 305, 74 (2004).
[2] V. I. Kopp, V. M. Churikov, G. Y. Zhang, J. Singer, C. W. Draper, N. Chao, D. Neugroschl, and A. Z. Genack, J. Opt. Soc. Am. B 24, A48 (2007).
[3] V. I. Kopp, V. M. Churikov, and A. Z. Genack, Opt. Lett. 31, 571 (2006)
[4] G. Shvets, S. Trendafilov, V. I. Kopp, D. Neugroschl, and A. Z. Genack, J. Opt. A: Pure Appl. Opt. 11, 074007 (2009).
[5] O. V. Ivanov, Opt. Lett. 30, 3290 (2005).
[6] S. Oh, K. R. Lee, U. Paek, and Y. Chung, Opt. Lett. 29, 1464 (2004).
[7] T. Erdogan, J. Opt. Soc. Am. A 14, 1760 (1997).
[8] J. R. Qian, Acta Opt. Sin. (in Chinese) 29, 884 (2009).
[9] L. Yang, C. Li, J. Sue, and J. R. Qian, Journal of USTC (in Chinese) 40, 1082 (2010).
[10] J. R. Qian, Acta Opt. Sin. (in Chinese) 29, 1188 (2009).
[11] D. Marcuse, Theory of Dielectric Optical Waveguides (2nd edn) (Academic Press, San Diego, 1991).
[12] J. R. Qian and W. P. Huang, J. Lightw. Tech. 4, 619 (1986).
[13] S. E. Miller, Bell Syst. Tech. J. 47, 1801 (1968).
