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Building Manycore Processor-to-DRAM Networks with Monolithic Silicon Photonics
 

Summary: Building Manycore Processor-to-DRAM Networks
with Monolithic Silicon Photonics
Christopher Batten1, Ajay Joshi1, Jason Orcutt1, Anatoly Khilo1, Benjamin Moss1
Charles Holzwarth1, Milos Popovi´c1, Hanqing Li1, Henry Smith1, Judy Hoyt1
Franz K¨artner1, Rajeev Ram1, Vladimir Stojanovi´c1, Krste Asanovi´c2
1 Department of Electrical Engineering and Computer Science
Massachusetts Institute of Technology, Cambridge, MA
2 Department of Electrical Engineering and Computer Science
University of California, Berkeley, CA
Abstract
We present a new monolithic silicon photonics technol-
ogy suited for integration with standard bulk CMOS pro-
cesses, which reduces costs and improves opto-electrical
coupling compared to previous approaches. Our tech-
nology supports dense wavelength-division multiplexing
with dozens of wavelengths per waveguide. Simulation
and experimental results reveal an order of magnitude
better energy-efficiency than electrical links in the same
technology generation. Exploiting key features of our
photonics technology, we have developed a processor-

  

Source: Asanovic, Krste - Computer Science and Artificial Intelligence Laboratory & Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology (MIT)

 

Collections: Computer Technologies and Information Sciences