SPECTRAL PROPERTIES OF RAYLEIGH BACKSCATTERED LIGHT FROM SINGLE-MODE FIBERS CAUSED BY A MODULATED PROBE SIGNAL

被引：39

作者：

GYSEL, P

STAUBLI, RK

机构：

[1] ETH-Institute for Communication Technology, Swiss Federal Institute of Technology

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 1990年 / 8卷 / 12期

关键词：

D O I：

10.1109/50.62872

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The statistical properties of Rayleigh backscattering from single-mode fibers are investigated, taking into account the modulation and the coherence of the source light. The autocorrelation function and the power spectral density of the backscattered field and intensity are derived. To describe the noise due to Rayleigh backscattering in bidirectional systems the spectrum of the interference of backscattered light with reflected source light is calculated too. The measurements confirm the theoretical results. Finally it is shown that if no optical isolator is used and the laser diode is exposed to Rayleigh backscattering the interaction between laser and fiber depends strongly on the modulation of the light.

引用

页码：1792 / 1798

页数：7

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