About WESTLAKE H J
About British Telecom Research Lab., Ipswich, GBR
About O'MAHONY M J
About British Telecom Research Lab., Ipswich, GBR
About Electronics Letters
About semiconductor laser
About Optical communication systems and equipment
About レーザ増幅器
About レピータ
About 双方向
About 2チャネル
About 伝送系