[1] Nippon Telegraph Tel Corp, Elect Commun Labs, Yokosuka, Kanagawa, Japan
[2] NTT Opt Network Syst Lab, Yokosuka, Kanagawa, Japan
[3] Univ Tokyo, Dept Engn, Tokyo 1138654, Japan
[4] Keio Univ, Tokyo 108, Japan
[5] Natl Inst Informat & Commun Technol NICT, Tokyo, Japan
[6] Univ Tokyo, Tokyo 1138654, Japan
[7] Tohoku Univ, Sendai, Miyagi 980, Japan
[8] IPSJ, Tokyo, Japan
[9] IEEE Sendai Sect, Sendai, Miyagi, Japan
[10] IEEE Japan Council, Tokyo, Japan
[11] NTT Commun, Network Business Unit, Operat Support Syst Grp, Tokyo, Japan
[12] IEICE Japan, Tokyo, Japan
[13] OAA 93, OSA Opt Amplifier Top Meeting, Yokohama, Kanagawa, Japan
[14] APCC 08, Kyoto, Japan
[15] ICC 11 TPC, Kyoto, Japan
[16] HTC 13, Sendai, Miyagi, Japan
[17] Gen Affairs IEICE, Tokyo, Japan
[18] IEICE Commun Soc, Tokyo, Japan
[19] Fujitsu Adv Technol Ltd, Tokyo, Japan
[20] France Telecom Japan, Tokyo, Japan
[21] IEICE, Tokyo, Japan