Vladimir A. Burdin,1 Anton V. Bourdine,1,2 Eugenia Y. Eremchuk1
1Povolzhskiy State Univ. of Telecommunications and Informatics (Russian Federation) 2JSC “Scientific Production Association State Optical Institute Named after Vavilov S.I.” (Russian Federation)
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This paper is presented the simple analytical formula for calculating the nonlinear coupling coefficient between modes with arbitrary radial and azimuthal orders for multimode optical fiber. The solution is obtained by a well-known method of Gauss approximation. For example, the present work shows the spectral dependencies of nonlinear coupling coefficients for some low-order modes of optical fibers with step and parabolic refractive index profile.
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Vladimir A. Burdin, Anton V. Bourdine, Eugenia Y. Eremchuk, "The analytical formula for estimating a nonlinear coupling of optical fiber modes," Proc. SPIE 11793, Optical Technologies for Telecommunications 2020, 117930Q (22 June 2021); https://doi.org/10.1117/12.2593079