Reconfigurable structured light generation in a multicore fibre amplifier.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
10 Aug 2020
10 Aug 2020
Historique:
received:
26
02
2020
accepted:
16
07
2020
entrez:
12
8
2020
pubmed:
12
8
2020
medline:
12
8
2020
Statut:
epublish
Résumé
Structured light, with spatially varying phase or polarization distributions, has given rise to many novel applications in fields ranging from optical communication to laser-based material processing. However the efficient and flexible generation of such beams from a compact laser source at practical output powers still remains a great challenge. Here we describe an approach capable of addressing this need based on the coherent combination of multiple tailored Gaussian beams emitted from a multicore fibre (MCF) amplifier. We report a proof-of-concept structured light generation experiment, using a cladding-pumped 7-core MCF amplifier as an integrated parallel amplifier array and a spatial light modulator (SLM) to actively control the amplitude, polarization and phase of the signal light input to each fibre core. We report the successful generation of various structured light beams including high-order linearly polarized spatial fibre modes, cylindrical vector (CV) beams and helical phase front optical vortex (OV) beams.
Identifiants
pubmed: 32778643
doi: 10.1038/s41467-020-17809-x
pii: 10.1038/s41467-020-17809-x
pmc: PMC7417554
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
3986Subventions
Organisme : RCUK | Engineering and Physical Sciences Research Council (EPSRC)
ID : EP/P027644/1
Organisme : RCUK | Engineering and Physical Sciences Research Council (EPSRC)
ID : EP/P012248/1
Organisme : RCUK | Engineering and Physical Sciences Research Council (EPSRC)
ID : EP/P030181/1
Organisme : RCUK | Engineering and Physical Sciences Research Council (EPSRC)
ID : EP/N00762X/1
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