[1] P. Russell, Science 299, 358 (2003).
[2] F. Poli, A. Cucinotta and S. Selleri, Photonic Crystal Fibers, Dordrecht: Springer Press, 58 (2007).
[3] A. Huseyin and H. Shyqyri, Optics Communications 285, 1514 (2012).
[4] S. H drich, T. Schreiber, T. Pertsch, J. Limpert, T. Peschel, R. Eberhardt and A. Tünnermann, Opt. Express 14, 6091 (2006).
[5] D. Mohammed and C. B. Mohamed, International Journal of Computer Science Issues 9, 598 (2012).
[6] N. A. Mortensen, J. R. Folkenberg, M. D. Nielsen and K. P. Hansen, Opt. Lett. 28, 1879 (2003).
[7] X. T. Zhao, Y. Zheng, X. X. Liu, G. Y. Zhou, J. P. Shen, C. Zhou, C. M. Xia and L. T. Hou, Journal of Optoelectronics ·Laser 22, 1301 (2011). (in Chinese)
[8] J. Boullet, Y. Zaouter, R. Desmarchelier, M. Cazaux, F. Salin, J. Saby, R. Bello-Doua and E. Cormier, Opt. Express 16, 17891 (2008).
[9] O. Schmidt, J. Rothhardt, T. Eidam, F. R ser, J. Limpert, A. Tünnermann, K. P. Hansen, C. Jakobsen and J. Broeng, Opt. Express 16, 3918 (2008).
[10] Y. J. Song, M. L. Hu, C. L. Gu, L. Chai and Q. Y. Wang, Laser Physics Letter 7, 230 (2010).
[11] M. Koshiba and K. Saitoh, Journal of Lightwave Technology 23, 3580 (2005).
[12] G. B. Ren, Z. Wang and S. Q. Lou, Acta Elec. Sin. 32, 1318 (2004).
[13] X. T. Zhao, Y. Zheng, X. X. Liu, G. Y. Zhou, Z. L. Liu and L. T. Hou, Optoelectronics Letters 8, 212 (2012).
[14] Y. Y. Jiang, Optoelectronics Letters 6, 328 (2010).
[15] B. M. A. Rahman, K. Namassivayane, U. Muhammad, A. Arti, W. Tiparatana and T. V. G. Kenneth, Applied Optics 48, 131 (2009).
[16] N. Kejalakshmy, B. M. A. Rahman, A. Agrawal, T. Wongcharoen and K. T. V. Grattan, Applied Physics B: Lasers and Optics 93, 223 (2008).