Simulation results of optical pulse propagation over irregular multimode optical fibers operating in a few-mode regime
- 1 Dr. Sc. (Eng.), Professor, Pro-rector, Volga State University of Telecommunications and Informatics (Samara)
- 2 Dr. Sc. (Eng.), Professor, Volga State University of Telecommunications and Informatics (Samara)
Abstract
This work presents results of simulation of Gaussian and non-Gaussian pulse propagation over irregular weakly guiding silica graded-index laser-optimized multimode optical fiber of ISO/IEC 11801 Cat. OM2+/OM3 operating in a few-mode regime under strong mode coupling and both centered and offset launch conditions. We utilized recently proposed model of irregular few-mode fiber optic link been introduced in the previous works, which is based on split-step method approach combined with piece-wise regular representation. Model takes into account launch conditions, differential mode delay, both lower- and higher-order mode chromatic dispersion, differential mode attenuation, mode mixing and power diffusion occurring due to real fiber irregularity and micro-/macro-bends. Parabolic and triangular as well as Gaussian and sech2-shape laser-excited optical pulse propagation over conventional silica laser-optimized multimode fiber under various launch conditions was simulated and researched. Some results of simulated pulse dynamics comparison analysis are represented.
How to cite
Бурдин В.А., Бурдин А.В. Результаты численного моделирования распространения оптических импульсов в нерегулярных многомодовых волоконных световодах, функционирующих в маломодовом режиме // Радиотехника. 2016. № 2. С. 120–127.
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