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Proceedings Paper

Efficient waveguide couplers using tilted gratings for optoelectronic interconnects
Author(s): Jianhua Gan; Bipin Bihari; Linghui Wu; Feiming Li; Michael Dubinovsky; Ray T. Chen; Suning Tang
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Paper Abstract

Surface relief gratings with tilted grating profiles have been studied for efficient optical signal coupling for polymeric waveguide based optoelectronic interconnects. In this article the theoretical formulation used to calculate the diffraction efficiency in a pre-defined direction is discussed. The designed gratings provide an effective unidirectional surface-normal optical coupling for polymer-based optoelectronic interconnects. The gratings with a tilt-angle of 32 degrees and periods ranging from 0.5 to 3 micrometers were fabricated. Both surface-normal input and output grating couplers have been demonstrated in polyimide waveguides on silicon substrate.

Paper Details

Date Published: 5 May 1998
PDF: 11 pages
Proc. SPIE 3288, Optoelectronic Interconnects V, (5 May 1998); doi: 10.1117/12.307569
Show Author Affiliations
Jianhua Gan, Univ. of Texas/Austin (United States)
Bipin Bihari, Univ. of Texas/Austin (United States)
Linghui Wu, Univ. of Texas/Austin (United States)
Feiming Li, Univ. of Texas/Austin (United States)
Michael Dubinovsky, Univ. of Texas/Austin (United States)
Ray T. Chen, Univ. of Texas/Austin (United States)
Suning Tang, Radiant Research, Inc. (United States)


Published in SPIE Proceedings Vol. 3288:
Optoelectronic Interconnects V
Ray T. Chen; Julian P. G. Bristow, Editor(s)

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