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去年6月在美国新墨西哥州圣费召开的“光放大器及其应用”专题会议上,美国贝尔研究所与国际电报电话公司组成的共同研究组,以及日本电报电话公司传送系统研究所分别发表了使用掺铒光放大器的第二代海底光传送实
Last June, at a special conference on “Optical Amplifiers and Their Applications” held at San Francisco, New Mexico, the joint research group of Bell Labs and the International Telegraph and Telephone Corporation and the Nippon Telegraph and Telephone Corporation Transmission System Institute The second generation of submarine optical transmission using erbium-doped optical amplifiers