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Proceedings Paper

Solution for circular lightguide based on Gaussian approximation with correction of mode field distributions into cladding
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Paper Abstract

This work presents modification of Gaussian approximation. Here we propose to describe mode field distribution in fiber core by Laguerre-Gaussian functions and by modified Bessel function of the second kind in the fiber cladding. Results of error estimation are presented for equivalent mode field radius calculation occurring due to mode field distribution approximation by Laguerre-Gaussian functions in the cladding region. According to obtained results the error is negligible for low-order modes. However it increases up to 1% and even more for modes with (m + l) > 4, where m is radial and l is azimuthal mode order.

Paper Details

Date Published: 25 March 2015
PDF: 14 pages
Proc. SPIE 9533, Optical Technologies for Telecommunications 2014, 95330I (25 March 2015); doi: 10.1117/12.2181118
Show Author Affiliations
Vladimir A. Burdin, Povolzhskiy State Univ. of Telecommunications and Informatics (Russian Federation)
Anton V. Bourdine, Povolzhskiy State Univ. of Telecommunications and Informatics (Russian Federation)


Published in SPIE Proceedings Vol. 9533:
Optical Technologies for Telecommunications 2014
Vladimir A. Andreev; Vladimir A. Burdin; Albert H. Sultanov; Oleg G. Morozov, Editor(s)

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