[1] [1] V. Srikant, in Proceedings of OFC'01 TuH1-1 (2001).

[2] [2] L. Gruner-Nielsen, M. Wandel, P. Kristensen, C. Jorgensen, L. V. Jorgensen, B. Edvold, B. Palsdottir, and D. Jakobsen, J. Lightwave Technol. 23, 3566 (2005).

[3] [3] T. A. Birks, D. Mogilevtsev, J. C. Knight, and P. St. J. Russell, IEEE Photon. Technol. Lett. 11, 674 (1999).

[4] [4] L.-P. Shen, W.-P. Huang, and S.-S. Jian, J. Lightwave Technol. 21, 1644 (2003).

[5] [5] D. Mogilevtsev, T. A. Birks, and P. St. J. Russell, Opt. Lett. 23, 1662 (1998).

[6] [6] K. P. Hansen, J. R. Folkenberg, C. Peucheret, and A. Bjarklev, in Proceedings of OFC'03 PD2-1-3 (2003).

[7] [7] P. Russell, Science 299, 358 (2003).

[8] [8] K. Saitoh, M. Koshiba, T. Hasegawa, and E. Sasaoka, Opt. Express 11, 843 (2003).

[9] [9] T.-L. Wu, J.-S. Chiang, and C.-H. Chao, IEEE Photon. Technol. Lett. 16, 1492 (2004).

[10] [10] T.-L. Wu and C.-H. Chao, IEEE Photon. Technol. Lett. 17, 67 (2005).

[11] [11] Y. Ni, L. Zhang, L. An, J. Peng, and C. Fan, IEEE Photon. Technol. Lett. 16, 1516 (2004).

[12] [12] L. P. Shen, W.-P. Huang, G. X. Chen, and S. Jian, IEEE Photon. Technol. Lett. 15, 540 (2003).

[13] [13] Y. Ni, L. Zhang, and J. Peng, Chin. Opt. Lett. 1, 385 (2003).

[14] [14] F. Gerome, J.-L. Auguste, and J.-M. Blondy, Opt. Lett. 29, 2725 (2004).

[15] [15] G. Agrawal, Nonlinear Fiber Optics (Academic Press, New York, 1995).