期刊
SCIENCE ADVANCES
卷 5, 期 11, 页码 -出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.aaw2687
关键词
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资金
- EPSRC in the United Kingdom [EP/J018694/1, EP/M015173/1, EP/M015130/1]
- Deutsche Forschungsgemeinschaft (DFG) in Germany [PE 1832/2-1]
- European Research Council [682675]
- European Union's Horizon 2020 research and innovation program [780848]
- EPSRC [EP/M015173/1, EP/J018783/1, EP/M015130/1, 1939116, EP/R001677/1, EP/J018694/1] Funding Source: UKRI
- European Research Council (ERC) [682675] Funding Source: European Research Council (ERC)
Modern-day computers rely on electrical signaling for the processing and storage of data, which is bandwidth-limited and power hungry. This fact has long been realized in the communications field, where optical signaling is the norm. However, exploiting optical signaling in computing will require new on-chip devices that work seamlessly in both electrical and optical domains, without the need for repeated electrical-to-optical conversion. Phase-change devices can, in principle, provide such dual electrical-optical operation, but assimilating both functionalities into a single device has so far proved elusive owing to conflicting requirements of size-limited electrical switching and diffraction-limited optical response. Here, we combine plasmonics, photonics, and electronics to deliver an integrated phase-change memory cell that can be electrically or optically switched between binary or multilevel states. Crucially, this device can also be simultaneously read out both optically and electrically, offering a new strategy for merging computing and communications technologies.
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