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

Vladimir A. Burdin; Anton V. Bourdine

doi:10.1117/12.2181118

25 March 2015 Solution for circular lightguide based on Gaussian approximation with correction of mode field distributions into cladding

Vladimir A. Burdin, Anton V. Bourdine

Author Affiliations +

Proceedings Volume 9533, Optical Technologies for Telecommunications 2014; 95330I (2015) https://doi.org/10.1117/12.2181118
Event: Optical Technologies for Telecommunications 2014, 2014, Kazan, Russian Federation

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.

Citation Download Citation

Vladimir A. Burdin and Anton V. Bourdine "Solution for circular lightguide based on Gaussian approximation with correction of mode field distributions into cladding", Proc. SPIE 9533, Optical Technologies for Telecommunications 2014, 95330I (25 March 2015); https://doi.org/10.1117/12.2181118

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