期刊
NATURE COMMUNICATIONS
卷 8, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-017-01506-3
关键词
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资金
- Deutsche Forschungsgemeinschaft (DFG) [PE 1832/2-1]
- EPSRC [EP/J018783/1, EP/J00541X/2, EP/J018694/1]
- Karlsruhe School of Optics and Photonics (KSOP)
- Stiftung der Deutschen Wirtschaft (sdw)
- JEOL UK
- Clarendon Fund
- John Fell Fund
- DFG
- State of Baden-Wurttemberg through the DFG-Center for Functional Nanostructures (CFN)
- EPSRC [EP/J018783/1, EP/J018694/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J018783/1, EP/J018694/1] Funding Source: researchfish
Machines that simultaneously process and store multistate data at one and the same location can provide a new class of fast, powerful and efficient general-purpose computers. We demonstrate the central element of an all-optical calculator, a photonic abacus, which provides multistate compute-and-store operation by integrating functional phase-change materials with nanophotonic chips. With picosecond optical pulses we perform the fundamental arithmetic operations of addition, subtraction, multiplication, and division, including a carryover into multiple cells. This basic processing unit is embedded into a scalable phase-change photonic network and addressed optically through a two-pulse random access scheme. Our framework provides first steps towards light-based non-von Neumann arithmetic.
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