Densely-aligned graded-index multiple-core polymer optical waveguide

Fabrication and inter-channel crosstalk property

Takaaki Ishigure, Kenshiro Matsuo, Yosuke Nitta, Yusuke Sugimori, Shin Morikawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present two methods for fabricating densely-aligned graded-index (GI) multiple-core polymer optical waveguides utilizing soft-lithography and dispensers. For on-board optical interconnects with polymer waveguides, much higher data rate and channel density have been required in the past few years. However, because of the high scattering loss of polymer waveguides, their inter-channel crosstalk is of great concern, when narrower pitch is required. Meanwhile, we have demonstrated low propagation loss and low inter-channel crosstalk of polymer optical waveguides with GI cores due to the optical confinement effect of the GI-core. Hence, the channel density could be increased for GI multiple-core waveguides. In this paper, we successfully fabricate a polymer waveguide with GI cores directly on a substrate utilizing the soft-lithography method or a dispenser. We experimentally confirm that near parabolic refractive index profiles are formed in the parallel cores with 50 μm × 30 μm size at 125-μm pitch in a length of 20 cm. We also use a copolymer for forming the GI profile, and then, confirm the high-temperature stability of the parabolic index profile compared to the one formed with a doped polymer. Finally, we discuss the crosstalk properties of the fabricated waveguides.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume7944
DOIs
Publication statusPublished - 2011
EventOptoelectronic Interconnects and Component Integration XI - San Francisco, CA, United States
Duration: 2011 Jan 242011 Jan 26

Other

OtherOptoelectronic Interconnects and Component Integration XI
CountryUnited States
CitySan Francisco, CA
Period11/1/2411/1/26

Fingerprint

Polymer Waveguide
Optical Waveguides
Crosstalk
Optical waveguides
crosstalk
optical waveguides
Fabrication
Polymers
Waveguides
fabrication
polymers
waveguides
Dispensers
dispensers
Lithography
Waveguide
lithography
profiles
Optical interconnects
Optical Interconnects

Keywords

  • Dispenser
  • Inter-channel crosstalk
  • On-board optical interconnection
  • Polymer optical waveguide with graded-index cores
  • Soft-lithography

ASJC Scopus subject areas

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

Cite this

Ishigure, T., Matsuo, K., Nitta, Y., Sugimori, Y., & Morikawa, S. (2011). Densely-aligned graded-index multiple-core polymer optical waveguide: Fabrication and inter-channel crosstalk property. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 7944). [79440O] https://doi.org/10.1117/12.873997

Densely-aligned graded-index multiple-core polymer optical waveguide : Fabrication and inter-channel crosstalk property. / Ishigure, Takaaki; Matsuo, Kenshiro; Nitta, Yosuke; Sugimori, Yusuke; Morikawa, Shin.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7944 2011. 79440O.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ishigure, T, Matsuo, K, Nitta, Y, Sugimori, Y & Morikawa, S 2011, Densely-aligned graded-index multiple-core polymer optical waveguide: Fabrication and inter-channel crosstalk property. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 7944, 79440O, Optoelectronic Interconnects and Component Integration XI, San Francisco, CA, United States, 11/1/24. https://doi.org/10.1117/12.873997
Ishigure T, Matsuo K, Nitta Y, Sugimori Y, Morikawa S. Densely-aligned graded-index multiple-core polymer optical waveguide: Fabrication and inter-channel crosstalk property. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7944. 2011. 79440O https://doi.org/10.1117/12.873997
Ishigure, Takaaki ; Matsuo, Kenshiro ; Nitta, Yosuke ; Sugimori, Yusuke ; Morikawa, Shin. / Densely-aligned graded-index multiple-core polymer optical waveguide : Fabrication and inter-channel crosstalk property. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7944 2011.
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