Solution for the twomode propagation of LP01 and LP11 modes in a step-index optical fiber with the Kerr nonlinearity taking into account

被引:1
作者
Burdin, Vladimir A. [1 ]
Bourdine, Anton V. [1 ]
机构
[1] Povolzhskiy State Univ Telecommun & Informat, Dept Commun Lines, 77 Moscow Ave, Samara 443090, Russia
来源
OPTICAL TECHNOLOGIES FOR TELECOMMUNICATIONS 2018 | 2019年 / 11146卷
关键词
optical fiber; refractive index profile; step index optical fiber; equivalent mode spot radius; Kerr nonlinearity; propagation constant; Gauss approximation; FEMTOSECOND LASER;
D O I
10.1117/12.2527462
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
This article describes an approximate analytical solution for the LP01 and LP11 modes in a step-index optical fiber with Kerr nonlinearity provided that only two these modes propagate in the fiber. A well-known Gauss approximation method was used to obtain a system of characteristic equations and expressions for propagation constants of the above modes under the conditions considered. Using the obtained formulas, there were calculated the spectral dependences of the LP01 and LP11 modes propagation constants for the sample of a step optical fiber.
引用
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页数:14
相关论文
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