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Proceedings Paper

Low-cost micro-optics for PCB-level photonic interconnects
Author(s): Jürgen Van Erps; Christof Debaes; Michael Vervaeke; Lieven Desmet; Nina Hendrickx; Geert Van Steenberge; Heidi Ottevaere; Pedro Vynck; Virginia Gomez; Sara Van Overmeire; Yuzo Ishii; Peter Van Daele; Alex Hermanne; Hugo Thienpont
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Paper Abstract

One of the grand challenges in solving the interconnection bottlenecks at the Printed Circuit Board (PCB) and Multi-Chip-Module (MCM) level, is to adequately replace the PCB and intra-MCM galvanic interconnects with high-performance, low-cost, compact and reliable micro-photonic alternatives. Therefore we address the following components in this paper: 1) out-of-plane couplers for optical waveguides embedded in PCB, 2) peripheral fiber ribbons and two-dimensional single- and multimode fiber connectors for high-speed parallel optical connections, and 3) intra-MCM level optical interconnections via free-space optical modules. For the fabrication of these micro-optical interconnect modules, we are focusing at the Vrije Universiteit Brussel on the continuous development of a rapid prototyping technology, which we call Deep Proton Writing (DPW). The special feature of this prototyping technology is that it is compatible with commercial low-cost mass replication techniques such as micro injection moulding and hot embossing. Laser ablation is used at Ghent University for the fabrication of PCB-embedded waveguides and integrated micro-mirrors. The main advantage of this technology is that it is compatible with present-day PCB manufacturing. For the free-space MCM-level optical interconnect module, we furthermore give special attention to the optical tolerancing and the opto-mechanical integration of the components. We use both a sensitivity analysis to misalignment errors and Monte Carlo simulations. It is our aim to investigate the whole component integration chain from the optoelectronic device to the micro-opto-mechanical components constituting the interconnect module.

Paper Details

Date Published: 14 February 2007
PDF: 14 pages
Proc. SPIE 6476, Optoelectronic Integrated Circuits IX, 64760L (14 February 2007); doi: 10.1117/12.705844
Show Author Affiliations
Jürgen Van Erps, Vrije Univ. Brussel (Belgium)
Christof Debaes, Vrije Univ. Brussel (Belgium)
Michael Vervaeke, Vrije Univ. Brussel (Belgium)
Lieven Desmet, Vrije Univ. Brussel (Belgium)
Nina Hendrickx, Ghent Univ. (Belgium)
Geert Van Steenberge, Ghent Univ. (Belgium)
Heidi Ottevaere, Vrije Univ. Brussel (Belgium)
Pedro Vynck, Vrije Univ. Brussel (Belgium)
Virginia Gomez, Vrije Univ. Brussel (Belgium)
Sara Van Overmeire, Vrije Univ. Brussel (Belgium)
Yuzo Ishii, Vrije Univ. Brussel (Belgium)
Peter Van Daele, Ghent Univ. (Belgium)
Alex Hermanne, Vrije Univ. Brussel (Belgium)
Hugo Thienpont, Vrije Univ. Brussel (Belgium)

Published in SPIE Proceedings Vol. 6476:
Optoelectronic Integrated Circuits IX
Louay A. Eldada; El-Hang Lee, Editor(s)

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