[1] W. Krolikowski, O. Bang, N. I. Nikolov, D. Neshev, J. Wyller, J. J. Rasmussen, and D. Edmundson, J. Opt. B: Quantum Semiclass. Opt. 6, S288 (2004).
[2] Z. Bai, C. Hang, and G. Huang, Chin. Opt. Lett. 11, 012701 (2013).
[3] W. Krolikowski, O. Bang, J. J. Rasmussen, and J. Wyller, Phys. Rev. E 64, 016612 (2001).
[4] O. Bang, W. Krolikowski, J. Wyller, and J. J. Rasmussen, Phys. Rev. E 66, 046619 (2002).
[5] Q. Kong, M. Shen, Z. Chen, Q. Wang, R. Lee, and W. Krolikowski, Phys. Rev. A 87, 063832 (2013).
[6] Z. Xu, Y. Kartashov, and L. Torner, Opt. Lett. 30, 3171 (2005).
[7] Y. V. Kartashov, V. A. Vysloukh, and L. Torner, Phys. Rev. Lett. 93, 153903 (2004).
[8] B. Alfassi, C. Rotschild, and M. Segev, Phys. Rev. A 80, 041808(R) (2009).
[9] M. Shen, H. Ding, Q. Kong, L. Ruan, S. Pang, J. Shi, and Q. Wang, Phys. Rev. A 82, 043815 (2010).
[10] L. Shi, L. Tian, and X. Chen, Chin. Opt. Lett. 10, 120501 (2012).
[11] D. Briedis, D. E. Petersen, D. Edmundson, W. Krolikowski, and O. Bang, Opt. Express 13, 435 (2005).
[12] A. I. Yakimenko, Y. A. Zaliznyak, and Y. Kivshar, Phys. Rev. E 71, 065603(R) (2005).
[13] C. Rotschild, O. Cohen, O, Manela, M. Segev, and T. Carmon, Phys. Rev. Lett. 95, 213904 (2005).
[14] S. Skupin, O. Bang, D. Edmundson, and W. Krolikowski, Phys. Rev. A 73, 066603 (2006).
[15] M. Shen, H. Zhao, B. Li, J. Shi, Q. Wang, and R. Lee, Phys. Rev. A 89, 025804 (2014).
[16] P. Zhang, J. Zhao, C. Lou, X. Tan, Y. Gao, Q. Liu, D. Yang, J. Xu, and Z. Chen, Opt. Express 15, 536 (2007).
[17] F. Ye, D. Mihalache, and B. Hu, Phys. Rev. A 79, 053852 (2009).
[18] S. Lopez-Aguayo and J. C. Gutierrez-Vega, Opt. Express 15, 18326 (2007).
[19] F. Ye, B. A. Malomed, Y. He, and B. Hu, Phys. Rev. A 81, 043816 (2010).
[20] G. Liang and Q. Guo, Phys. Rev. A 88, 043825 (2013).
[21] D. Anderson, Phys. Rev. A 27, 3135 (1983).
[22] D. Deng and Q. Guo, J. Opt. A: Pure Appl. Opt. 10, 035101 (2008).
[23] D. M. Deng and Q. Guo, Opt. Lett. 32, 3206 (2007).
[24] V. V. Kotlyar, S. N. Khonina, A. A. Almazov, and V. A. Soifer, J. Opt. Soc. Am. A 23, 43 (2006).
