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Optical Engineering

Superimposed grating wavelength division multiplexing in Ge-doped SiO2/Si planar waveguides
Author(s): Andreas Othonos; J. Bismuth; M. Sweeny; Antoine P. Kevorkian; Jing Ming Xu
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Paper Abstract

An improved model of wavelength division multiplexing (WDM) by superimposed gratings in planar waveguides has been developed. Based on this theory, principal design rules of N-channel WDM are established and a fanout capacity of 100 is estimated. Finally, fourchannel WDM at 840 nm has been demonstrated on a Ge:SiO2 /SiO2 /Si planar waveguide, which was hydrogenated to enhance its photosensitivity. The superimposed gratings were written using a narrow linewidth KrF excimer laser in an interferometric setup used in inscribing fiber Bragg gratings.

Paper Details

Date Published: 1 February 1998
PDF: 4 pages
Opt. Eng. 37(2) doi: 10.1117/1.601873
Published in: Optical Engineering Volume 37, Issue 2
Show Author Affiliations
Andreas Othonos, Univ. of Cyprus (Cyprus)
J. Bismuth, Univ. of Toronto (Canada)
M. Sweeny, Univ. of Toronto (Canada)
Antoine P. Kevorkian, GEEO (France)
Jing Ming Xu, Univ. of Toronto (United States)


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