Development Department Technology Development Division NEC Engineering Ltd. / NEC / Network Division Broadband Networks Operations Unit NEC Corporation / Its Associated Technologies / LSI / Repeatered Transoceanic Optical Submarine Cable Systems / /
IndustryTerm
long-distance optical signal transmission systems / gain equalization technology / submarine equipment / submarine networks / rubber cushions / data communication / transportation / helium gas / highperformance sealing technology / control signal carrier / optical submarine cable systems / coaxial systems / video distribution / coaxial submarine repeater technology / terminal equipment / submarine cable systems / fixed using rubber cushions / /
Person
Toshihide Abstract / /
Position
Assistant Manager / Manager / /
Technology
laser / highperformance sealing technology / 15 Fundamental Technologies / coaxial submarine repeater technology / following technologies / gain equalization technology / 13 Fundamental Technologies / Construction Technology / achieved using the following technologies / /
Fundamental Technologies and Devices The Optical Submarine Repeater and Its Associated Technologies YAMAGUCHI Shohei, MIKAMI Satoshi, AIDA Ryuji, NAGASAWA Toshihide Abstract