High offset tolerance fiber to waveguide coupling solution for 3D printed coupling device

Conference proceedings article

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Publication Details

Author list: Chinggungval T.; Yokoi H.; Khun-In R.; Bhatranand A.

Publisher: Society of Photo-optical Instrumentation Engineers

Publication year: 2025

Journal: Proceedings of SPIE (0277-786X)

Volume number: 13518

ISBN: 978-151068829-2

ISSN: 0277-786X

eISSN: 1996-756X

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85219529331&doi=10.1117%2f12.3058577&partnerID=40&md5=2c45cc1db175a0ceb3923076ebd25113

Languages: English-United States (EN-US)

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Abstract

This research proposed a coupling solution that can change the fiber or waveguide without any specialized tool required, and most of the components can be printed by FDM and DLP printers without any supporting structure required. The proposed design was designed to utilize the standard SC connector as the fiber interface, and the waveguide utilized the convex interface surface and exponential concave taper structure as the waveguide interface. The proposed design was simulated by FD-BPM with an alignment offset in both horizontal (X) and vertical (Y) directions. The result shows that the designed device has the potential to handle the misalignment offset tolerance up to 50 μm in any directions with -3.918 dB and maximum attenuation at the 1550 nm wavelength. © 2025 SPIE.

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