Characterization and modelling of multimode fibers using holographic transmission matrix measurements

Dennis Pohle; P. Carniello; N. Hanik; J. Czarske

doi:10.1117/12.3016631

20 June 2024 Characterization and modelling of multimode fibers using holographic transmission matrix measurements

Dennis Pohle, P. Carniello, N. Hanik, J. Czarske

Proceedings Volume PC13001, Specialty Optical Fibres VIII; PC130010E (2024) https://doi.org/10.1117/12.3016631
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

In the last few decades, interest in multimode optical fibers has been aroused for a wide range of applications in sensing, imaging and communication. In this work, the spatial domain of multimode fibers is examined, increasing both, the data rate and data security. In a first step, modes of the MMF are shaped by a spatial light modulator and coupled into the fiber. Camera-based intensity measurement is used to examine the modes supported by the fiber towards space division multiplexing (SDM). The obtained modes are restarted and the modal scrambling within the MMF is measured using digital holography. To investigate the optical setup’s coupling conditions, both the signal propagating through the MMF, including modal scrambling, and the internal portion reflected back from the output facet and propagating back to the transmitter side are measured through transmission matrix technology.

Conference Presentation

Citation Download Citation

Dennis Pohle, P. Carniello, N. Hanik, and J. Czarske "Characterization and modelling of multimode fibers using holographic transmission matrix measurements", Proc. SPIE PC13001, Specialty Optical Fibres VIII, PC130010E (20 June 2024); https://doi.org/10.1117/12.3016631

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