MULTIMODE OPTICAL FIBER CORE DEVIATION INFLUENCE ON SIGNAL PROPAGATION UDER FEW-MODE CONDITIONS


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Abstract

Time-domain model of piece-wise regular multimode fiber link is presented. It allows to evaluate pulse distortions due to differential mode delay, higher-order mode chromatic dispersion, and mode coupling. Based on developed model, results of computing of pulse form, propagating along two 500 m samples of graded multimode fibers with low and huge central dips in profile center region, excited by VCSEL with quite low offset, under different core deviation order are proposed.

References

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