Precise core alignment in fabrication of polymer optical waveguides using the Mosquito method for three-dimensional optical circuits

研究成果: Conference contribution

2 引用 (Scopus)

抄録

Polymer optical waveguides fabricated using the Mosquito method are expected to realize high bandwidth density 3-dimensional (3-D) on-board wiring. In the Mosquito method, the waveguides are fabricated by dispensing a liquid core monomer into a liquid cladding monomer using a microdispenser. Hence, for the on-board applications particularly 3-D wiring, the core position and alignment accuracies are important to couple the waveguides with the other optical components with high efficiency. We already succeeded in fabricating graded-index core multimode polymer optical waveguides with low propagation loss using the Mosquito method. However, the positions of the formed cores tended to deviate from the original design, since both the core and cladding monomers are in the liquid state during the Mosquito process. In this paper, we apply a fluid analysis simulation using a COMSOL Multiphysics® in order to theoretically simulate the influence of several fabrication parameters on the core position. The calculated core height deviation from the designed height is dependent on the needle-Tip height, because the core positions are influenced by the pressure distribution of cladding monomer caused by the monomer flow. Meanwhile, we find that the monomer wetting on the needle outer wall also affects the core height. When the effect of monomer wetting is taken into account, the simulated core heights are different from the results without the effect of monomer wetting and we can theoretically predict the height of the formed core. Finally, we confirm that the core height can be controlled by adjusting the needle-Tip height setting in which the effect of the monomer flow and wetting theoretically calculated is taken into account in the Mosquito method.

元の言語English
ホスト出版物のタイトルIntegrated Optics
ホスト出版物のサブタイトルDevices, Materials, and Technologies XXII
出版者SPIE
10535
ISBN(電子版)9781510615557
DOI
出版物ステータスPublished - 2018 1 1
イベントIntegrated Optics: Devices, Materials, and Technologies XXII 2018 - San Francisco, United States
継続期間: 2018 1 292018 2 1

Other

OtherIntegrated Optics: Devices, Materials, and Technologies XXII 2018
United States
San Francisco
期間18/1/2918/2/1

Fingerprint

Polymer Waveguide
Optical Waveguides
Optical waveguides
optical waveguides
Fabrication
Polymers
Alignment
Monomers
alignment
Three-dimensional
fabrication
Networks (circuits)
monomers
Wetting
polymers
Needles
wetting
Liquid
needles
Electric wiring

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

これを引用

Precise core alignment in fabrication of polymer optical waveguides using the Mosquito method for three-dimensional optical circuits. / Date, Kumi; Fukagata, Koji; Ishigure, Takaaki.

Integrated Optics: Devices, Materials, and Technologies XXII. 巻 10535 SPIE, 2018. 105351Y.

研究成果: Conference contribution

Date, K, Fukagata, K & Ishigure, T 2018, Precise core alignment in fabrication of polymer optical waveguides using the Mosquito method for three-dimensional optical circuits. : Integrated Optics: Devices, Materials, and Technologies XXII. 巻. 10535, 105351Y, SPIE, Integrated Optics: Devices, Materials, and Technologies XXII 2018, San Francisco, United States, 18/1/29. https://doi.org/10.1117/12.2289206
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