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Journal of Radio Electronics Online scientific journal · eISSN 1684-1719
2010, № 9 · ELECTRODYNAMICS

Analysis of the propagation, transformation and scattering of the monochromatic electromagnetic waves in the irregular waveguides: a case of integrated-optical waveguide with statistic surface roughness and a case of optical nanofibers with random rough surface

A.A. Egorov1, A.V. Stavtsev2, T.K. Chekhlova3, A.G. Timakin2, V.I. Grigoruk4, I.A. Gaidai4, A.V. Kovalenko4, V.N. Kurashov4

1 Институт общей физики им. А.М. Прохорова Российской Академии Наук
2 Российский университет дружбы народов
3 Российскийо университет дружбы народов, Russia
4 Киевский национальный университет им. Тараса Шевченко
Full text (PDF) UDC 517: 519.62: 535.4: 621.38 EDN NCFRVV

Abstract

We examine in this paper two cases, which are very interested for the theory and experiments: a case of an integrated-optical waveguide with statistic surface roughness and a case of optical nanofibers with random rough surface. The peculiarities of approximate solutions of vector electrodynamic problems in the first cases in brief are discussed and useful evaluations of losses due to scattering also are given. Some results of research of radiation losses of optical nanofibers in assumption of Gaussian statistics of distorted glass/air interface are presented. In conclusion we mark a problem of synthesizing of an optical processor or/and optical sensor with high metrological parameters with allowance for the problem of light scattering in optical waveguides with surface roughness.

  • integrated optics
  • fiber optics
  • maxwell's equations
  • vector electrodynamics' problems
  • irregular waveguide
  • Multilayer waveguide
  • optical sensor
  • optical nanofibers
  • boundary conditions
  • waveguide modes
  • waveguide scattering
  • radiation losses
Аннотация (на русском)

Анализ распространения, трансформации и рассеяния монохроматических электромагнитных волн в нерегулярных волноводах: в интегрально-оптическом волноводе со статистическими поверхностными неровностями и в оптических нановолокнах со случайной неровной поверхностью

В данной статье рассмотрены два случая, которые представляют большой интерес для теории и практики: случай интегрально-оптического волновода со статистическими неровностями поверхности и случай оптических нановолокон со случайными поверхностными неровностями. Кратко рассмотрены особенности приближенного решения векторной электродинамической задачи в первом случае и даны полезные оценки потерь из-за рассеяния. Приведены некоторые результаты исследования радиационных потерь в оптических нановолокнах в предположении Гауссовой статистики искаженной границы раздела стекло/воздух. В заключение мы отмечаем проблему синтеза оптического процессора или/и оптического датчика с высокими метрологическими параметрами с учетом проблемы рассеяния света в оптических волноводах с шероховатостью поверхности.

For citation

Egorov A.A., Stavtsev A.V., Chekhlova T.K., Timakin A.G., Grigoruk V.I., Gaidai I.A., Kovalenko A.V., Kurashov V.N. Analysis of the propagation, transformation and scattering of the monochromatic electromagnetic waves in the irregular waveguides: a case of integrated-optical waveguide with statistic surface roughness and a case of optical nanofibers with random rough surface // Journal of Radio Electronics. – 2010. – No. 9.

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