17 January 2011 Grating-coupler-based optical proximity coupling for scalable computing systems
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Abstract
Silicon photonics is envisioned as a promising solution to address the interconnect bottleneck in large-scale multi-processor computing systems, owing to advantageous attributes such as wide bandwidth, high density, and low latency. To leverage these advantages, optical proximity coupler is one of the critical enablers. Chip-to-chip, layer-to-layer optical proximity couplers with low loss, large bandwidth, small footprint and integration compatibility are highly desirable. In this paper, we demonstrate chip-to-chip optical proximity coupling using grating couplers. We report the experimental results using grating couplers fabricated in a photonically-enabled commercial 130nm SOI CMOS process.
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Jin Yao, Xuezhe Zheng, Guoliang Li, Ivan Shubin, Ying Luo, Hiren Thacker, Attila Mekis, Thierry Pinguet, Subal Sahni, Kannan Raj, John E. Cunningham, Ashok V. Krishnamoorthy, "Grating-coupler-based optical proximity coupling for scalable computing systems", Proc. SPIE 7944, Optoelectronic Interconnects and Component Integration XI, 794405 (17 January 2011); doi: 10.1117/12.876443; https://doi.org/10.1117/12.876443
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