Abstract:
:Modern beam shaping techniques have enabled the generation of optical fields displaying a wealth of structural features, which include three-dimensional topologies such as Möbius, ribbon strips and knots. However, unlike simpler types of structured light, the topological properties of these optical fields have hitherto remained more of a fundamental curiosity as opposed to a feature that can be applied in modern technologies. Due to their robustness against external perturbations, topological invariants in physical systems are increasingly being considered as a means to encode information. Hence, structured light with topological properties could potentially be used for such purposes. Here, we introduce the experimental realization of structures known as framed knots within optical polarization fields. We further develop a protocol in which the topological properties of framed knots are used in conjunction with prime factorization to encode information.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Larocque H,D'Errico A,Ferrer-Garcia MF,Carmi A,Cohen E,Karimi Edoi
10.1038/s41467-020-18792-zsubject
Has Abstractpub_date
2020-10-09 00:00:00pages
5119issue
1issn
2041-1723pii
10.1038/s41467-020-18792-zjournal_volume
11pub_type
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