[IEEE APCC/MDMC '04. The 2004 Joint Conference of the 10th Asia-Pacific Conference on Communications and the 5th International Symposium on Multi-Dimensional Mobile Communications Proceeding - Beijing, China (29 Aug.-1 Sept. 2004)] APCC/MDMC '04. The 2004 Joint Conference of the 10th Asia-Pacific Conference on Communications and the 5th International Symposium on Multi-Dimensional Mobile Communications Proceeding - Experimental study of the transient power overshoot in backward-pumped Raman amplified WDM systems