Necessary conditions for the propagation of two modes, LP01 and LP11, in a step-index optical fiber with a Kerr nonlinearity
| Autor: | Anton V. Bourdine, O. Yu. Gubareva, Vladimir A. Burdin |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
optical fiber
Index (economics) Optical fiber step-index optical fiber 02 engineering and technology system of nonlinear equations 01 natural sciences law.invention 010309 optics Optics refractive index profile law gauss approximation 0103 physical sciences lcsh:Information theory lcsh:QC350-467 propagation constant Electrical and Electronic Engineering Physics business.industry Kerr nonlinearity equivalent mode spot radius kerr nonlinearity 021001 nanoscience & nanotechnology lcsh:Q350-390 Atomic and Molecular Physics and Optics Computer Science Applications 0210 nano-technology business lcsh:Optics. Light |
| Zdroj: | Компьютерная оптика, Vol 44, Iss 4, Pp 533-539 (2020) |
| ISSN: | 2412-6179 0134-2452 |
| Popis: | This paper presents the results of an analysis of the necessary propagation conditions in a step-index optical fiber with a Kerr nonlinearity of two modes, LP01 and LP11, during the transmission of high-power optical pulses. All results were obtained by solving a system of two nonlinear equations for these modes, obtained by the Gauss approximation method, and the subsequent use of a procedure for refining estimates using the mixed finite elements method. The necessary conditions are determined, estimates of the boundaries for the range of normalised frequencies for which they are fulfilled are obtained, and an approximate formula is proposed for estimating the upper limit of this range. |
| Databáze: | OpenAIRE |
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