[1] P. F. Wysocki, OSA Technical Digest Series 4, FF6 (1994).
[2] L. J. Wang, J. T. Lin, and R. D. Ye, IEEE J. Quantum Electron. 34, 413 (1998).
[3] R. Leners and T. Georges, J. Opt. Soc. Am. B 12, 1942 (1995).
[4] J. L. Wagner, D. G. Falquier, M. J. F. Digonnet, and H. J. Shaw, J. Lightwave Technol. 16, 200 (1998).
[5] V. J. Mazurezyk and J. L. Zyskind, IEEE Photon. Technol. Lett. 6, 616 (1994).
[6] P. Wysocki and V. Mazurezyk, J. Lightwave Technol. 14, 572 (1996).
[7] Greer, D. J. Lewis, and W. M. Macauley, Electron. Lett. 30, 46 (1994).
[8] R. Leners and G. Stephan, Quantum Semiclass. Opt.: J. Europ. Opt. Soc. B 7, 757 (1995).
[9] Z. H. Gao, Acta Photon. Sin. (in Chinese) 29, 599 (2000).
[10] V. N. Filippov, Optical and Quantum Electron. 25, 429 (1993).
[11] J. Nilsson and R. Paschotta, Opt. Lett. 22, 1092 (1997).
