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Proceedings Paper

Board-level optical clock signal distribution based on guided-wave optical interconnects in conjunction with waveguide holograms
Author(s): Ray T. Chen; Suning Tang; Ting Li; Feiming Li; Linghui Wu; Randy W. Wickman
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Paper Abstract

In this paper, we represent our effort to construct an optoelectronic interconnection layer for high-speed optical clock signal distribution in a Cray supercomputer board. The optoelectronic interconnection layer under investigation employs optical channel waveguides and 3 dB waveguide splitters in conjunction with surface-normal waveguide couplers. The difficulties associated with the complicated 3D multiple alignments are significantly reduced by the surface-normal fanout beams and the unique planar device feature. 1-GHz clear optical clock signal is demonstrated experimentally with a guided-wave interconnection length of 45 cm. Some new techniques to fabricate large-area optical channel waveguides and surface-normal waveguide grating couplers are also presented.

Paper Details

Date Published: 30 September 1996
PDF: 7 pages
Proc. SPIE 2891, Integrated Optoelectronics, (30 September 1996); doi: 10.1117/12.253204
Show Author Affiliations
Ray T. Chen, Univ. of Texas/Austin and Radiant Research, Inc. (United States)
Suning Tang, Radiant Research, Inc. (United States)
Ting Li, Univ. of Texas/Austin (United States)
Feiming Li, Univ. of Texas/Austin (United States)
Linghui Wu, Univ. of Texas/Austin (United States)
Randy W. Wickman, Cray Research, Inc. (United States)


Published in SPIE Proceedings Vol. 2891:
Integrated Optoelectronics
Ray T. Chen; Won-Tien Tsang; BingKun Zhou, Editor(s)

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