Guiding of light by short-length multimodc waveguides -1

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Abstract

It is shown theoretically that light propagates through the general short-length multimode waveguide as the superposition of nonstationary field configurations (nonstationary waveguide modes). The direction of propagation, waveguide losses, amplitude and phase of the nonstationary modes are different from those of the normal eigenmodes. Formally, the light arriving at the waveguide entrance can be decomposed also into a sum of normal eigenmodes. However, we show that an eigenmode is not excited in the short-length multimode waveguide even when the transverse profile of input light coincides with that of the normal eigenmode.

Original languageEnglish
Pages (from-to)783-789
Number of pages7
JournalNuovo Cimento della Societa Italiana di Fisica D - Condensed Matter, Atomic, Molecular and Chemical Physics, Biophysics
Volume20
Issue number6
DOIs
Publication statusPublished - Jan 1 1998

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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