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Proceedings Paper

Automated PM-fiber array assembly with high-precision four DOF alignment
Author(s): M. Berger; A. Alippi; S. Haag; M. Hoeren; Tobias Müller; D. Zontar; C. Brecher
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Paper Abstract

Polarization maintaining fibers arrays are key enablers to process high bandwidth data, representing a powerful part within the photonic integrated chip technology. The different channels increase the information density and allow to multiple singles through one fiber bulk at the same time. Due to fiber’s small dimensions (ø125 μm) they can be integrated in existing infrastructure easily and are very flexible at the same time. However, the compact design together with the flexible material properties demands for new precise tools and technologies to reach the necessary precision during packing.

The Fraunhofer-Institute for Production Technology IPT develops, together with their partners Phix and Aixemtec, new handling and assembly tools, as well as processes as one of the leading companies in this field. In the self-developed assembly cell, the fiber handling tool-head operations automatically to pick up, manipulate and tack single fibers to a glass plate or fiber to chip. Each fiber is moved by a portal robot within the assembly cell with micrometer accuracy but also can be rotated with a repetition accuracy less than 0.01°. Advanced illumination units observation techniques allow to package fibers arrays much quicker and more robust than before. Therefore, additional camera systems and material characteristics are used to develop smart alignment routines. As a result, the observation of the orientation of the PM-fiber core as well as the fiber layout during the assembly process leads to high quality products within fast production cycles. Due to the flexible construction of the assembly call also PIC packaging and fiber-to-chip coupling is possible.

Paper Details

Date Published: 28 February 2020
PDF: 6 pages
Proc. SPIE 11286, Optical Interconnects XX, 112860F (28 February 2020); doi: 10.1117/12.2546643
Show Author Affiliations
M. Berger, Fraunhofer Institute for Production Technology IPT (Germany)
A. Alippi, PHIX B.V. (Netherlands)
S. Haag, Aixemtec GmbH (Germany)
M. Hoeren, Fraunhofer Institute for Production Technology IPT (Germany)
Tobias Müller, Fraunhofer Institute for Production Technology IPT (Germany)
D. Zontar, Fraunhofer Institute for Production Technology IPT (Germany)
C. Brecher, Fraunhofer Institute for Production Technology IPT (Germany)
Aachen Univ. (Germany)

Published in SPIE Proceedings Vol. 11286:
Optical Interconnects XX
Henning Schröder; Ray T. Chen, Editor(s)

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