Modal decomposition for optical fibers based on the Wigner representation of modal field

Wei Yan; Xiaojun Xu; Taijiao Du; Zhihua Chen; Qi Guan

doi:10.1117/12.2522243

29 March 2019 Modal decomposition for optical fibers based on the Wigner representation of modal field

Wei Yan, Xiaojun Xu, Taijiao Du, Zhihua Chen, Qi Guan

Proceedings Volume 11046, Fifth International Symposium on Laser Interaction with Matter; 110462O (2019) https://doi.org/10.1117/12.2522243
Event: Fifth International Symposium on Laser Interaction with Matter, 2018, Changsha, China

Abstract

In this paper, a novel Modal decomposition (MD) method based on the Wigner representation of fiber modal field is developed. An important distinction between this work and some others is that it can allow either fully or partially spatial coherent modal contents to be decomposed into guided modes. When the Wigner representation is reconstructed, based on the orthogonal property of guided modes and Moyal identity rule, the modal weights and possible relative phases can be obtained in an exact way. Further, the validity and reliability of the method are demonstrated with the numerical simulations.

Citation Download Citation

Wei Yan, Xiaojun Xu, Taijiao Du, Zhihua Chen, and Qi Guan "Modal decomposition for optical fibers based on the Wigner representation of modal field", Proc. SPIE 11046, Fifth International Symposium on Laser Interaction with Matter, 110462O (29 March 2019); https://doi.org/10.1117/12.2522243

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