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Conferences > OAA > 1990 > TuB > TuB4

Attenuation Free, Dispersion Shifted Fiber Doped With Distributed Erbium

D. Tanaka, A. Wada, T. Sakai, and R. Yamauchi

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Abstract

An attenuation free transmission line can be obtained by using a distributed erbium-doped fiber amplifier which compensates the fiber loss.1) In this attenuation free line, suppression of spontaneous emission is expected. Therefore, the distributed EDFA transmission line has an advantage from the view point of noise characteristics. If we control not only gain but also chromatic dispersion of the fiber, it is possible to realize a perfect transmission line which is free from attenuation and chromatic dispersion with excellent noise characteristics. This type of fiber can be applied to various fields.

© 1990 Optical Society of America

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