Board-level optical clock signal distribution based on guided-wave optical interconnects in conjunction with waveguide holograms

Ray T. Chen; Suning Tang; Ting Li; Feiming Li; Linghui Wu; Randy W. Wickman

doi:10.1117/12.253204

30 September 1996 Board-level optical clock signal distribution based on guided-wave optical interconnects in conjunction with waveguide holograms

Ray T. Chen, Suning Tang, Ting Li, Feiming Li, Linghui Wu, Randy W. Wickman

Author Affiliations +

Proceedings Volume 2891, Integrated Optoelectronics; (1996) https://doi.org/10.1117/12.253204
Event: Photonics China '96, 1996, Beijing, China

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.

Citation Download Citation

Ray T. Chen, Suning Tang, Ting Li, Feiming Li, Linghui Wu, and Randy W. Wickman "Board-level optical clock signal distribution based on guided-wave optical interconnects in conjunction with waveguide holograms", Proc. SPIE 2891, Integrated Optoelectronics, (30 September 1996); https://doi.org/10.1117/12.253204

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