Low loss single-mode polymer optical waveguide with circular cores

Sho Yakabe, Yui Kobayashi, Hitomi Matsui, Yuki Saito, Ken Manabe, Takaaki Ishigure

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

We experimentally demonstrate that the Mosquito method is capable of fabricating single-mode polymer optical waveguides with multiple cores while maintaining an identical mode-field diameter among them. The Mosquito method we developed is a technique to form circular cores in polymer waveguides using a commercially available microdispenser and multi-axis syringe scanning robot. However, the core shape tends to deteriorate from a circle because of the monomer flow due to the needle scan. We also demonstrate both theoretically and experimentally for the first time in this paper that the needles with a tapered outer form or just titled straight needles enable to form cores with a high circularity even if those cores are dispensed on any heights from the substrate surface.

Original languageEnglish
Pages (from-to)1070-1085
Number of pages16
JournalOSA Continuum
Volume4
Issue number3
DOIs
Publication statusPublished - 2021 Mar

ASJC Scopus subject areas

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

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