Tunable metafibers: remote spatial focus control using 3D nanoprinted holograms on dual-core fibers

Jun Sun; Wenqin Huang; Adrian Lorenz; Matthias Zeisberger; Markus A. Schmidt

doi:10.1038/s41377-025-01903-0

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Tunable metafibers: remote spatial focus control using 3D nanoprinted holograms on dual-core fibers

Original Articles

- Tunable metafibers: remote spatial focus control using 3D nanoprinted holograms on dual-core fibers
- Tunable metafibers: remote spatial focus control using 3D nanoprinted holograms on dual-core fibers
- LSA 2025年14卷第9期页码：2503-2513
- Affiliations：
  
  1.Department of Fiber Photonics, Leibniz Institute of Photonic Technology, 07745 Jena, Germany
  2.Abbe Center of Photonics and Faculty of Physics, Friedrich-Schiller-University Jena, 07743 Jena, Germany
  3.Otto Schott Institute of Materials Research (OSIM), Friedrich-Schiller-University Jena, 07743 Jena, Germany
- Author bio：
  
  Markus A. Schmidt (markus-alexander.schmidt@uni-jena.de)
- Funds：
- DOI：10.1038/s41377-025-01903-0
  中图分类号：
- 收稿日期：2024-12-14，
  
  修回日期：2025-05-14，
  
  录用日期：2025-05-21，
  
  网络出版日期：2025-07-07，
  
  纸质出版日期：2025-09-30
- Accepted：
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Tunable metafibers: remote spatial focus control using 3D nanoprinted holograms on dual-core fibers[J]. LSA, 2025,14(9):2503-2513.

Sun, J. et al. Tunable metafibers: remote spatial focus control using 3D nanoprinted holograms on dual-core fibers. Light: Science & Applications, 14, 2503-2513 (2025).
Tunable metafibers: remote spatial focus control using 3D nanoprinted holograms on dual-core fibers[J]. LSA, 2025,14(9):2503-2513. DOI： 10.1038/s41377-025-01903-0.

Sun, J. et al. Tunable metafibers: remote spatial focus control using 3D nanoprinted holograms on dual-core fibers. Light: Science & Applications, 14, 2503-2513 (2025). DOI： 10.1038/s41377-025-01903-0.

摘要

Abstract

The generation of tunably focused light at remote locations is a critical photonic functionality for a wide range of applications. Here

we present a novel concept in the emerging field of

Metafibers

that achieves

for the first time

fast

alignment-free

fiber-integrated spatial focus control in a monolithic arrangement. This is enabled by 3D nanoprinted intensity-sensitive phase-only on-fiber holograms

which establish a direct correlation between the intensity distribution in the hologram plane and the focus position. Precise adjustment to the relative power between the modes of a dual-core fiber generates a power-controlled interference pattern within the hologram

enabling controlled and dynamic focus shifts. This study addresses all relevant aspects

including computational optimization

advanced 3D nanoprinting

and tailored fiber fabrication. Experimental results supported by simulations validate the feasibility and efficiency of this monolithic

Metafiber

platform

which enables fast focus modulation and has transformative potential in optical manipulation

high-speed laser micromachining

telecommunications

and minimally invasive surgery.

关键词

Keywords

references

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