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Directional coupler device using a three-dimensional waveguide structure

 

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Optics communications 137 (1997), pp.239-243
ISSN: 0030-4018
English
Journal Article
Fraunhofer IOF ()
directional coupler; integrated optics; photopolymer; three-dimensional structures

Abstract
A new directional coupler device using a three-dimensional structure is presented. It consist of two stacked directional couplers (4x4-coupler as doubly stacked directional couplers). Coupling occurs both in horizontal and vertical direction. The device is intended to be the first of several devices employing in three-dimensional structures. The presented device was fabricated by UV-patterning of stack of spin-coated polymethylmethacrylate (PMMA) layers.

: http://publica.fraunhofer.de/documents/PX-9977.html