1.3/1.55 μm波段同步放大器，包括掺Nd3+和掺Er3+氟光纤

Optical Amplifiers and Their Applications Pub Date : 1900-01-01 DOI:10.1364/oaa.1990.tud2

Y. Miyajima, T. Sugawa, T. Komukai

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引用次数: 0

摘要

稀土离子掺杂二氧化硅光纤放大器具有高增益、极化不敏感、低噪声和低插入损耗等特点，是一种非常有吸引力的应用于通信系统的器件。然而，掺Er3+的二氧化硅光纤存在窄带宽的缺点。掺Nd3+的二氧化硅光纤也有一个缺点，即很难获得1.3 μm左右的增益。

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

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.

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Optical Amplifiers and Their Applications

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