Polarization Control and Measurements for Optical Fibers
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چکیده
منابع مشابه
Distributed phase birefringence measurements based on polarization correlation in phase-sensitive optical time-domain reflectometers.
In this paper a technique to measure the distributed birefringence profile along optical fibers is proposed and experimentally validated. The method is based on the spectral correlation between two sets of orthogonally-polarized measurements acquired using a phase-sensitive optical time-domain reflectometer (ϕOTDR). The correlation between the two measured spectra gives a resonance (correlation...
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Presented is an analysis of the expanded uncertainty of an indirect measurement of modal birefringence of polarization maintaining fibers, based on the Sagnac interferometer and an optical spectrum analyzer. By using this method it is easy to achieve an expanded measurement uncertainty considerably lower than 1%, at a confidence level of 0.95, in measurements of fibers, whose birefringence is i...
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A nonlinear Poincare sphere method for measuring polarization-mode dispersion (PMD) using the four-wave mixing (FWM) effect in single-mode optical fibers is presented. This method is based on the FWM-power transfer function on the polarization states of the input signals. Average PMD can be obtained by using this method with measurements in just a narrow optical bandwidth.
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— The measurements of different parameters remained always a prime feature of the practical development of any accurate system. In connection with the optical communication, Phenomenon of PMD in single mode optical fibers takes place due to enormous polarization cross couplings throughout a specific length of the fiber and becomes a deteriorating factor for high speed fiber optic networks. We h...
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A novel method is described which measures the delay between polarization eigenmodes in either highor low-birefringence fibers. The main advantage of this interferometric method is its ability to perform the measurements without the use of any polarizing device. This results in a particularly easy handling and makes this technique very suitable for systematic fiber controls. The obtained accura...
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تاریخ انتشار 2006