Equivalent noise models in fiber optical communication systems |
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Authors: | Fang Zhihao Yi Xiaobo Fang Rui Zhu Qiuping |
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Institution: | (1) College of Electronic Information, Wuhan University, 430072 Wuhan, China |
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Abstract: | An equivalent noise model of optical receiver amplifiers as shown in Fig. 1 has been given in many fiber optical communication
literatures. It is proved in this paper that this equivalent noise model is neither equivalent to the original one nor measurable.
The main reason is that the position of the input impedance in this noise model is not the same with its in the typical noise
model, but the sameS
vn,S
in with the typical noise model are used. So the equivalent noise model above is wrong and is not fit to be taken into application.
Supported by National Education Board
Fang Zhihao: born in May 1941, Professor |
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Keywords: | noise model optical receiver amplifier fiber optical communication |
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