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Proceedings Paper

Sol-gel technologies for multimode waveguide devices
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Paper Abstract

Lithographic patterning of organic-inorganic hybrid materials processed by the use of sol-gel technology allows for the generation of waveguide structures at low temperatures onto polymer or ceramic substrates. In addition, sol-gel technology provides the possibility to process precision structures, such as, grooves and cavities, which are applicable for the passive alignment of photonic devices. This provides the possibility for the realization of mass-producible photonic circuits onto large-area substrates. At the moment, the most potential applications are systems based on then use of multimode waveguide structures. Actually, when utilizing sol-gel technology, the challenge is how to process homogenous, low-loss and high-aspect-ratio structures. In addition, when aiming to highly mass-producible multimode modules, the key issue is the alignment of photonic devices preferably by the use of passive precision structures. In the future, when the systems need to be more complicated, the modeling of systems requires sophisticated 3D modeling tools. In this paper, the processing of multimode structures with sol-gel technologies is described, and the characterization results of prototype devices are reported. In addition, molding and cofiring technologies potentially applicable for the hybrid integration of photonic modules are reviewed. Finally, the future research aims for the commercialization of photonic modules based on the use of sol-gel technologies are envisioned.

Paper Details

Date Published: 18 June 2002
PDF: 8 pages
Proc. SPIE 4640, Integrated Optics: Devices, Materials, and Technologies VI, (18 June 2002); doi: 10.1117/12.433291

Published in SPIE Proceedings Vol. 4640:
Integrated Optics: Devices, Materials, and Technologies VI
Yakov S. Sidorin; Ari Tervonen, Editor(s)

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