Yoshio Tashiro, Satoshi Koyanagi, Keiichi Aiso, Kanji Tanaka, Shu Namiki
Abstract
With the development ac米兰中国官网 the D-WDM (Dense Wavelength Division-Multiplex) transmission technology together with its practical applications in recent years, optical amplifiers --in particular EDFA (Erbium-Doped Fiber Amplifier)-- used in these transmission systems are required to have ever higher performance. In this report, a high-power EDFA is presented which has achieved a high signal output ac米兰中国官网 1.5 W. The EDFA uses a set ac米兰中国官网 high power pumping light sources in which the outputs ac米兰中国官网 semiconductor laser diodes in the 1480-nm range are multiplexed over three wavelengths.
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