Interaction Between Electromagnetic Field and Optical Signal Transmission in Fiber Optics
AbstractThis paper gives results of research about interaction between external electromagnetic field and optical signal transmission in fiber optics transmission systems (FOTS). At first short explanation is given about physical reasons of electric and magnetic field interaction with optical media. This include electro-optic Kerr effect and Faraday effect explanation. Afterwards follows description about research method and achieved results. This research is based on calculations performed by RSoft simulation software OptSim 5.2 to evaluate FOTS performance at external EM field. Results show that in the case of electric field influence BER decreases from 2.13∙10-14 to 6.66∙10-12 for amplitude modulation using NRZ code and from 7.58∙10-28 to 1.64∙10-24 for POLSK modulation. Magnetic field influence simulation showed BER decrease from 1.81∙10-16 to 1.16∙10-14 for amplitude modulation using NRZ code and from 3.70∙10-27 to 7.46∙10-24 for POLSK modulation. Ill. 2, bibl. 7, tabl. 1 (in English; abstracts in English and Lithuanian).
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