Photopolymerization with Light Fields Possessing Orbital Angular Momentum

Generation of Helical Microfibers

Junhyung Lee, Yoshihiko Arita, Shunsuke Toyoshima, Katsuhiko Miyamoto, Paris Panagiotopoulos, Ewan M Wright, Kishan Dholakia, Takashige Omatsu

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Photopolymerization is a powerful technique to create arbitrary micro-objects with a high spatial resolution. Importantly, to date all photopolymerization studies have been performed with incident light fields with planar wavefronts and have solely exploited the intensity profile of the incident beam. We investigate photopolymerization with light fields possessing orbital angular momentum, characterized by the topological charge l. We show both experimentally and theoretically that, as a consequence of nonlinear self-focusing of the optical field, photopolymerization creates an annular-shaped vortex-soliton and an associated optical fiber, which breaks up into |l| solitons or microfibers. These microfibers exhibit helical trajectories with a chirality determined by the sign of l due to the orbital angular momentum of the light field and form a bundle of helical-microfibers. This research opens up a new application for light fields with orbital angular momentum, and our generated microfibers may have applications in optical communications and micromanipulation.

Original languageEnglish (US)
Pages (from-to)4156-4163
Number of pages8
JournalACS Photonics
Volume5
Issue number10
DOIs
StatePublished - Oct 17 2018

Fingerprint

microfibers
Photopolymerization
Angular momentum
angular momentum
Light
orbitals
Solitons
solitary waves
Micromanipulation
Optical Fibers
self focusing
chirality
Chirality
bundles
optical communication
Wavefronts
Optical communication
spatial resolution
optical fibers
trajectories

Keywords

  • micro-optical devices
  • microstructured fibers
  • optical vortices
  • polymer waveguides

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biotechnology
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Photopolymerization with Light Fields Possessing Orbital Angular Momentum : Generation of Helical Microfibers. / Lee, Junhyung; Arita, Yoshihiko; Toyoshima, Shunsuke; Miyamoto, Katsuhiko; Panagiotopoulos, Paris; Wright, Ewan M; Dholakia, Kishan; Omatsu, Takashige.

In: ACS Photonics, Vol. 5, No. 10, 17.10.2018, p. 4156-4163.

Research output: Contribution to journalArticle

Lee, J, Arita, Y, Toyoshima, S, Miyamoto, K, Panagiotopoulos, P, Wright, EM, Dholakia, K & Omatsu, T 2018, 'Photopolymerization with Light Fields Possessing Orbital Angular Momentum: Generation of Helical Microfibers', ACS Photonics, vol. 5, no. 10, pp. 4156-4163. https://doi.org/10.1021/acsphotonics.8b00959
Lee, Junhyung ; Arita, Yoshihiko ; Toyoshima, Shunsuke ; Miyamoto, Katsuhiko ; Panagiotopoulos, Paris ; Wright, Ewan M ; Dholakia, Kishan ; Omatsu, Takashige. / Photopolymerization with Light Fields Possessing Orbital Angular Momentum : Generation of Helical Microfibers. In: ACS Photonics. 2018 ; Vol. 5, No. 10. pp. 4156-4163.
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