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    Item type:Publication, Access status: with files ,
    T-matrix representation of optical scattering response: Suggestion for a data format
    (2025)
    Asadova, Nigar
    ;
    Achouri, Karim
    ;
    Arjas, Kristian
    ;
    Auguié, Baptiste
    ;
    Aydin, Roland
    The transition matrix, frequently abbreviated as T-matrix, contains the complete information in a linear approximation of how a spatially localized object scatters an incident field. The T-matrix is used to study the scattering response of an isolated object and describes the optical response of complex photonic materials made from ensembles of individual objects. T-matrices of certain common structures, potentially, have been repeatedly calculated all over the world again and again. This is not necessary and constitutes a major challenge for various reasons. First, the resources spent on their computation represent an unsustainable financial and ecological burden. Second, with the onset of machine learning, data is the gold of our era, and it should be freely available to everybody to address novel scientific challenges. Finally, the possibility of reproducing simulations could tremendously improve if the considered T-matrices could be shared. To address these challenges, we found it important to agree on a common data format for T-matrices and to enable their collection from different sources and distribution. This document aims to develop the specifications for storing T-matrices and associated metadata. The specifications should allow maximum freedom to accommodate as many use cases as possible without introducing any ambiguity in the stored data. The common format will assist in setting up a public database of T-matrices.
    Publicationtype: Journal Article
      8  18
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    Item type:Publication, Access status: without files ,
    Inverse design of nanophotonics devices and materials
    (2022-12)
    Wiecha, Peter R.
    ;
    Petrov, Alexander
    ;
    Genevet, Patrice
    ;
    Bogdanov, Andrey
    This is an introduction to the special issue “Inverse Design of nanophotonics devices and materials” in the journal “Photonics and Nanostructures: Fundamentals and Applications” which aims at providing a concise overview of the most recent developments in this field.
    Publicationtype: Journal Article
      41