Reconfigurable structured light generation in a multicore fibre amplifier

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 practica...

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Autores principales: Lin, Di, Carpenter, Joel, Feng, Yutong, Jain, Saurabh, Jung, Yongmin, Feng, Yujun, Zervas, Michalis N., Richardson, David J.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7417554/
https://www.ncbi.nlm.nih.gov/pubmed/32778643
http://dx.doi.org/10.1038/s41467-020-17809-x
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author Lin, Di
Carpenter, Joel
Feng, Yutong
Jain, Saurabh
Jung, Yongmin
Feng, Yujun
Zervas, Michalis N.
Richardson, David J.
author_facet Lin, Di
Carpenter, Joel
Feng, Yutong
Jain, Saurabh
Jung, Yongmin
Feng, Yujun
Zervas, Michalis N.
Richardson, David J.
author_sort Lin, Di
collection PubMed
description 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.
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spelling pubmed-74175542020-08-17 Reconfigurable structured light generation in a multicore fibre amplifier Lin, Di Carpenter, Joel Feng, Yutong Jain, Saurabh Jung, Yongmin Feng, Yujun Zervas, Michalis N. Richardson, David J. Nat Commun Article 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. Nature Publishing Group UK 2020-08-10 /pmc/articles/PMC7417554/ /pubmed/32778643 http://dx.doi.org/10.1038/s41467-020-17809-x Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Lin, Di
Carpenter, Joel
Feng, Yutong
Jain, Saurabh
Jung, Yongmin
Feng, Yujun
Zervas, Michalis N.
Richardson, David J.
Reconfigurable structured light generation in a multicore fibre amplifier
title Reconfigurable structured light generation in a multicore fibre amplifier
title_full Reconfigurable structured light generation in a multicore fibre amplifier
title_fullStr Reconfigurable structured light generation in a multicore fibre amplifier
title_full_unstemmed Reconfigurable structured light generation in a multicore fibre amplifier
title_short Reconfigurable structured light generation in a multicore fibre amplifier
title_sort reconfigurable structured light generation in a multicore fibre amplifier
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7417554/
https://www.ncbi.nlm.nih.gov/pubmed/32778643
http://dx.doi.org/10.1038/s41467-020-17809-x
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