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Inverse-designed multi-dimensional silicon photonic transmitters

Published

Author(s)

Travis Briles, Jordan Stone, Scott Papp

Abstract

Modern microelectronic processors have migrated towards parallel computing architectures with many-core processors. However, such expansion comes with diminishing returns exacted by the high cost of data movement between individual processors. The use of optical interconnects1,2 has burgeoned as a promising technology that can address the limits of this data transfer. While recent pushes to enhance optical communication have focused on developing wavelength-division multiplexing technology, this approach will eventually saturate the usable bandwidth, and new dimensions of data transfer will be paramount to fulfill the ever-growing need for speed3–6. Here we demonstrate an integrated intra- and inter-chip multi-dimensional communication scheme enabled by photonic inverse design. Using inverse-designed mode-division multiplexers, we combine wavelengthand mode- multiplexing and send massively parallel data through nano-photonic waveguides and optical fibres. Crucially, as we take advantage of an orthogonal optical basis, our approach is inherently scalable to a multiplicative enhancement over the current state of the art.
Citation
Nature

Keywords

nanophotonics, frequency combs, communications, inverse design

Citation

Briles, T. , Stone, J. and Papp, S. (2022), Inverse-designed multi-dimensional silicon photonic transmitters, Nature (Accessed July 5, 2022)
Created April 13, 2022