Transactions of The Japan Institute of Electronics Packaging
Online ISSN : 1884-8028
Print ISSN : 1883-3365
ISSN-L : 1883-3365
Technical Paper
Design and Feasibility of Modular Design for the Electro-Optical Waveguide for Customization and Fabrication Improvement
Titinai Chinggungval Hideki Yokoi
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2025 Volume 18 Pages E24-005-1-E24-005-10

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Abstract

The common Electro-Optical (EO) waveguide used an integrated electrode design that embedded the electrode in the metal layer of the waveguide. This design has its own disadvantage since post-fabrication customization of the electrode and waveguide structure is impossible. This research proposes a solution for applying the modular design concept to the EO waveguide. The device is separated into three major components: the electrode, the EO waveguide, and the retention unit. This allowed customization in post-fabrication and improved the simplicity of the fabrication. The proposed Long Period Grating (LPG) EO waveguide has an operating wavelength range of 1,510–1,531 nm, with alternative post-customization to alter its operating wavelength to 1,466–1,483 nm. The device can be fabricated with much simpler machinery and could be done in parallel.

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© 2025 The Japan Institute of Electronics Packaging
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