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Analysis of and experiments with crosstalk between adjacent graded-index optical fibers

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2 Author(s)
Maekawa, E. ; Nippon Telegraph and Telephone Public Corporation, Tokai-Mura, Ibaraki-ker, Japan ; Shin Sumida

This paper clarifies crosstalk dependence on fiber parameters to ensure proper multicore or bunch fiber design. The analysis of crosstalk between adjacent graded-index optical fibers is accomplished by extending the meridional quasi-ray tracing procedure, whose analysis method is based on the total reflection of waves in a multilayered medium. Crosstalk attenuations in several bunch fibers with various parameters are measured. Crosstalk inclination measured for fiber parameters agrees with the analyzed results. Equations which express the approximate relationship between crosstalk and fiber parameters are derived from the analyzed results. The experimental findings can be applied to realize high-count high-density low-cost cable.

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Lightwave Technology, Journal of  (Volume:3 ,  Issue: 4 )