Optical trapping of mesoscale particles and atoms in hollow-core optical fibers: principle and applications

Rui Wang; Wei Li; Zhiwen Xia; Hongchang Deng; Yao Zhang; Rongxin Fu; Shuailong Zhang; Tijmen G. Euser; Libo Yuan; Ningfang Song; Yi Jiang; Shangran Xie

doi:10.1038/s41377-025-01801-5

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Optical trapping of mesoscale particles and atoms in hollow-core optical fibers: principle and applications

Reviews

- Optical trapping of mesoscale particles and atoms in hollow-core optical fibers: principle and applications
- Light: Science & Applications Vol. 14, Issue 4, Pages: 902-924(2025)
- Affiliations：
  
  1.Key Laboratory of Photonic Information Technology (Ministry of Industry and Information Technology), School of Optics and Photonics, Beijing Institute of Technology, Beijing, China
  2.School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China
  3.Photonics Research Center, Guilin University of Electronics Technology, Guilin, China
  4.Engineering Research Center of Integrated Acousto-opto-electronic Microsystems (Ministry of Education of China), School of Integrated Circuits and Electronics, Beijing Institute of Technology, Beijing, China
  5.Nanophotonics Centre, Department of Physics, Cavendish Laboratory, University of Cambridge, Cambridge, UK
- Author bio：
  
  Tijmen G. Euser (te287@cam.ac.uk)
  Libo Yuan (lbyuan@guet.edu.cn)
  Ningfang Song (songnf@buaa.edu.cn)
  Shangran Xie (sxie@bit.edu.cn)
- Funds：
- DOI：10.1038/s41377-025-01801-5
  CLC：
- Received：27 August 2024，
  
  Revised：07 February 2025，
  
  Accepted：2025-02-25，
  
  Published Online：31 March 2025，
  
  Published：30 April 2025
- Accepted：
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Wang, R. et al. Optical trapping of mesoscale particles and atoms in hollow-core optical fibers: principle and applications. Light: Science & Applications, 14, 902-924 (2025).
DOI：

Wang, R. et al. Optical trapping of mesoscale particles and atoms in hollow-core optical fibers: principle and applications. Light: Science & Applications, 14, 902-924 (2025). DOI： 10.1038/s41377-025-01801-5.

摘要

Abstract

Hollow-core fiber (HCF) is a special optical waveguide type that can guide light in the air or liquid core surrounded by properly designed cladding structures. The guiding modes of the fiber can generate sufficient optical gradient forces to balance the gravity of the particles or confine the atom clouds

forming a stable optical trap in the hollow core. The levitated objects can be propelled over the fiber length along the beam axis through an imbalance of the optical scattering forces or by forming an optical lattice by the counter-propagating beams. The ability to overcome the diffraction of the laser beam in HCF can significantly increase the range of the optical manipulation compared with standard free-space optical tweezers

opening up vast ranges of applications that require long-distance optical control. Since the first demonstration of optical trapping in HCF

hollow-core-fiber-based optical trap (HCF-OT) has become an essential branch of optical tweezer that draws intense research interests. Fast progress on the fundamental principle and applied aspects of HCF-OT has been visible over the past two decades. In recent years

significant milestones in reducing the propagation loss of HCF have been achieved

making HCF an attractive topic in the field of optics and photonics. This further promotes the research and applications of HCF-OT. This review starts from the mechanism of light guidance of HCF

mainly focusing on the issues related to the optical trap in the hollow core. The basic principles and key features of HCF-OT

from optical levitation to manipulation and the detection of macroscopic particles and atoms

are summarized in detail. The key applications of HCF-OT

the challenges and future directions of the technique are also discussed.

关键词

Keywords

references

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