Characterizing the transverse modes of optical fibers by singular value decomposition

Yiming Tu; Christian Pfleghar; Cesar Jauregui; Jens Limpert

doi:10.1117/12.2650107

8 March 2023 Characterizing the transverse modes of optical fibers by singular value decomposition

Yiming Tu, Christian Pfleghar, Cesar Jauregui, Jens Limpert

Author Affiliations +

Proceedings Volume 12400, Fiber Lasers XX: Technology and Systems; 124000S (2023) https://doi.org/10.1117/12.2650107
Event: SPIE LASE, 2023, San Francisco, California, United States

Abstract

A new approach to experimentally characterize the transverse modes of optical fibers is proposed in this submission. It analyzes a large volume of electric field data captured from the fiber under test and obtains the orthogonal modal base set of the fiber using the singular value decomposition. This procedure is similar to the principle of machine learning in the area of artificial intelligence. The results show a good agreement with the simulated transverse modes. Due to its operating principle, this approach can characterize any fiber regardless of its length and size.

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Citation Download Citation

Yiming Tu, Christian Pfleghar, Cesar Jauregui, and Jens Limpert "Characterizing the transverse modes of optical fibers by singular value decomposition", Proc. SPIE 12400, Fiber Lasers XX: Technology and Systems, 124000S (8 March 2023); https://doi.org/10.1117/12.2650107

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