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Proceedings Paper

Design and fabrication of rib ARROW couplers
Author(s): Christoph A. Waechter; W. Biehlig; Andreas H. Braeuer; J. Gehler; B. Holtz; Wolfgang Karthe; Falk L. Lederer; Lutz Leine
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Paper Abstract

In the conventional waveguiding concept the coupling distance between two waveguides is limited in order to ensure a sufficient overlap of the evanescent tails of the modal field profiles. The Anti-Resonant Reflecting Optical Waveguide (ARROW) scheme provides modal fields exhibiting an oscillating nature in the coupling region too, thus allowing for remote coupling. The design of low-loss and loss-free rib ARROW couplers is demonstrated. In order to give precise predictions of the coupling length, the computation of the propagation constants demands full vectorial numerical methods for solving the wave equation. In a SiOxN1-x configuration the coupling over a spacing distance up to 93 micrometers between two rib ARROW's has been demonstrated experimentally. Experimental and theoretical results are compared and discussed.

Paper Details

Date Published: 2 May 1994
PDF: 11 pages
Proc. SPIE 2150, Design, Simulation, and Fabrication of Optoelectronic Devices and Circuits, (2 May 1994); doi: 10.1117/12.174992
Show Author Affiliations
Christoph A. Waechter, Fraunhofer Institution for Applied Optics and Precision Mechanics (Germany)
W. Biehlig, Friedrich-Schiller-Univ. Jena (Germany)
Andreas H. Braeuer, Fraunhofer Institution for Applied Optics and Precision Mechanics (Germany)
J. Gehler, Fraunhofer Institution for Applied Optics and Precision Mechanics (Germany)
B. Holtz, Friedrich-Schiller-Univ. Jena (Germany)
Wolfgang Karthe, Fraunhofer Institution for Applied Optics and Precision Mechanics (Germany)
Falk L. Lederer, Friedrich-Schiller-Univ. Jena (Germany)
Lutz Leine, Friedrich-Schiller-Univ. Jena (Germany)


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

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