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Conferences > OAA > 1990 > TuD > TuD2

1.3/1.55 μm Band Simultaneous Amplifier Comprising Nd3+-Doped and Er3+-Doped Fluoride Fibers

Yoshiaki Miyajima, Tomoki Sugawa, and Tetsurou Komukai

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Abstract

The rare-earth ion doped silica fiber amplifier is being studied as a very attractive device for use in telecommunication systems, because it has high gain, polarization-insensitive, low-noise and low-insertion loss characteristics. However, the disadvantage of a narrow bandwidth has been pointed out for Er3+-doped silica fibers. There is also a disadvantage with Nd3+-doped silica fibers in that it is very difficult to use them to obtain a gain around 1.3 μm.

© 1990 Optical Society of America

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