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Proceedings Paper

Vertical coupling between D-fiber and buried rectangular waveguide: an accurate analysis by vectorial finite element method
Author(s): Tiziana Conese-Bond; Giovanni Barbarossa; Mario Nicola Armenise
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Paper Abstract

Light coupling to planar lightwave circuits by means of directional coupling between D-fiber and buried rectangular waveguide is indicated as a viable mean of reducing alignment tolerances in the fiber-pigtailing procedure for integrated optical devices. The geometry involved is that of a circular fiber core vertically coupled to a rectangular buried waveguide. An accurate analysis by a vectorial formulation of the finite element method is presented of such a coupling geometry in collinear configuration. The structure is analyzed for symmetric and antisymmetric cladding configurations. The power coupling efficiency is investigated in terms of waveguide dimensions and refractive index steps.

Paper Details

Date Published: 2 May 1994
PDF: 12 pages
Proc. SPIE 2150, Design, Simulation, and Fabrication of Optoelectronic Devices and Circuits, (2 May 1994); doi: 10.1117/12.174993
Show Author Affiliations
Tiziana Conese-Bond, Politecnico di Bari (United States)
Giovanni Barbarossa, Politecnico di Bari (United States)
Mario Nicola Armenise, Politecnico di Bari (Italy)


Published in SPIE Proceedings Vol. 2150:
Design, Simulation, and Fabrication of Optoelectronic Devices and Circuits
Mario Nicola Armenise, Editor(s)

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