About ELLIS A D
About British Telecom Research Lab., Ipswich, GBR
About PERCIVAL R M
About British Telecom Research Lab., Ipswich, GBR
About LORD A
About British Telecom Research Lab., Ipswich, GBR
About STALLARD W A
About British Telecom Research Lab., Ipswich, GBR
About Electronics Letters
About light amplifier
About Optical waveguide,optical fibers,and fiber optics
About Optical communication systems and equipment
About 縦続接続
About エルビウムドープファイバ
About 増幅
About 自動利得制御