Analysis of nonlinear crosstalk suppression in weakly multi-core fiber based on coupled-power theory

Hongfeng Pan; Shulin Jin; Lian Xiang

doi:10.1117/12.2601923

24 November 2021 Analysis of nonlinear crosstalk suppression in weakly multi-core fiber based on coupled-power theory

Hongfeng Pan, Shulin Jin, Lian Xiang

Proceedings Volume 12066, AOPC 2021: Micro-optics and MOEMS; 1206604 (2021) https://doi.org/10.1117/12.2601923
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

In this paper, an analytical model of the nonlinear inter-core crosstalk (NICXT) for real weakly coupled MCFs is derived initially basing on the coupled-mode theory (CMT) with bending and twisting perturbations. Novel linear power-coupling coefficient (LPCC) and nonlinear power-coupling coefficient (NPCC) are derived for the modified coupled-power equations (CPEs) by using the split step Fourier method (SSFM) and perturbation method (PM). Numerical simulations are carried out based on various parameter configurations for the MCFs transmission system considered. Our researches indicate that the fiber nonlinearity will reduce the phase-matching points (PMPs) effectively under the condition of a high optical power. The theoretical simulation results agree well with the experimental results.

Citation Download Citation

Hongfeng Pan, Shulin Jin, and Lian Xiang "Analysis of nonlinear crosstalk suppression in weakly multi-core fiber based on coupled-power theory", Proc. SPIE 12066, AOPC 2021: Micro-optics and MOEMS, 1206604 (24 November 2021); https://doi.org/10.1117/12.2601923

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