Lightwave communication.
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概要
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Lightwave communication has been developed extensively in these years. One of the potentialities of thelightwave is its high-speed or broad-band property. Present communication system, however, utilizes only partsof this feature. The possibility of higher-speed systems, several or even several tens gigabits per second, is discussed.<BR>Another interesting development towards next century is the repeater-less long-haul transmission. The key element is the ultra-low-loss infrared fiber with one-to-two order small attenuation constant compared with ordinary silica fiber.<BR>Finally, lightwave transmission through outer space, e. g. inter-satellite link, is described. In this case, short wavelength of the lightwave yields the extremely sharp light beam with the radiator much smaller than the radio-wave antenna.
- 社団法人 レーザー学会の論文
社団法人 レーザー学会 | 論文
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