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Article Dans Une Revue APL Photonics Année : 2021

Chromato-axial memory effect in step index multimode fibers

Louisiane Devaud
Ivan Gusachenko

Résumé

Multimode fibers (MMF) are used in many applications from telecomunications to minimally invasive micro-endoscopic imaging. However, the numerous modes and their coupling make light-beam control and imaging a delicate task. To circumvent this difficulty, recent methods exploit priors about the transmission of the system, such as the so-called optical memory effect. Here, we quantitatively characterize a chromato-axial memory effect in step-index MMF, characterized through its slope $\delta z/\delta \lambda$ and its spectral and axial widths. We propose a theoretical model and numerical simulations in good agreement with experimental observations.
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Origine : Publication financée par une institution

Dates et versions

hal-03512066 , version 1 (05-01-2022)

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Louisiane Devaud, Marc Guillon, Ivan Gusachenko, Sylvain Gigan. Chromato-axial memory effect in step index multimode fibers. APL Photonics, 2021, 6 (12), pp.126105. ⟨10.1063/5.0067892⟩. ⟨hal-03512066⟩
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