Full characterization of the transmission properties of a multi-plane light converter

Multi-plane light conversion allows to perform arbitrary transformations on a finite set of spatial modes with no theoretical restriction to the quality of the transformation. Even though the number of shaped modes is in general small, the number of modes transmitted by a multi-plane light converter...

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Bibliographic Details
Published inPhysical review research Vol. 3; no. 2; p. 023226
Main Authors Boucher, Pauline, Goetschy, Arthur, Sorelli, Giacomo, Walschaers, Mattia, Treps, Nicolas
Format Journal Article
LanguageEnglish
Published American Physical Society 01.06.2021
Subjects
Optics
Physics
MATRICE TRANSMISSION
CONVERTISSEUR LUMIÈRE MULTI PLAN
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Summary:Multi-plane light conversion allows to perform arbitrary transformations on a finite set of spatial modes with no theoretical restriction to the quality of the transformation. Even though the number of shaped modes is in general small, the number of modes transmitted by a multi-plane light converter (MPLC) is extremely large. In this work, we aim to characterize the transmission properties of a multi-plane light converter inside and, for the first time, outside the design-modes subspace. By numerically reconstructing the transmission matrix of such systems, we individuate new ways to evaluate their efficiency in performing the design transformation. Moreover, we develop an analytical random matrix model that suggests that in the regime of a large number of shaped modes an MPLC behaves like a random scattering medium with limited number of controlled channels.
ISSN:2643-1564
2643-1564
DOI:10.1103/PhysRevResearch.3.023226