<p class="title">Researchers have created a novel device that bridges the fields of optical and electronic computing, an advance that may lead to faster and more energy-efficient memories and processors.</p>.<p class="bodytext">The researchers, including those from the University of Oxford in the UK, said until now a compact device using light to transfer as well as encode information could not be easily interfaced with the architecture of traditional electronic computers.</p>.<p class="bodytext">This was because electrical chips, in which the subatomic particles electrons flow through, needed to be small to operate efficiently, whereas optical chips -- with the light particles photons flowing through them -- are required to be large.</p>.<p class="bodytext">They explained this was because the wavelength of light is larger than that of electrons.</p>.<p class="bodytext">As part of the study, published in the journal Science Advances, the scientists came up with a solution to confine light into nanoscopic dimensions, and have developed devices with dual electrical-optical functionality.</p>.<p class="bodytext">The size reduction and a significantly increased energy density allowed them to bridge the incompatibility of photons and electrons for data storage and computation, the researchers said.</p>.<p class="bodytext">They showed that by sending either electrical or optical signals, the state of a photo- and electro-sensitive material is transformed between two different states.</p>.<p class="bodytext">The state of this phase-transforming material was read out by either light or electronics, meaning memory could be encoded and retrieved in the form of these states.</p>.<p class="bodytext">This makes the device the first electro-optical nanoscale memory cell without any volatile characteristics, the researchers said.</p>.<p class="bodytext">"This is a very promising path forward in computation and especially in fields where high processing efficiency is needed," said study co-author Nikolaos Farmakidis from the University of Oxford.</p>.<p class="bodytext">"This naturally includes artificial intelligence applications wherein many occasions the needs for high-performance, low-power computing far exceeds our current capabilities," said Nathan Youngblood, co-author of the study, also from the University of Oxford.</p>.<p class="bodytext">The researchers said interfacing light-based photonic computing with its electrical counterpart may be the key to the next chapter in integrated circuits and other semiconductor applications.</p>
<p class="title">Researchers have created a novel device that bridges the fields of optical and electronic computing, an advance that may lead to faster and more energy-efficient memories and processors.</p>.<p class="bodytext">The researchers, including those from the University of Oxford in the UK, said until now a compact device using light to transfer as well as encode information could not be easily interfaced with the architecture of traditional electronic computers.</p>.<p class="bodytext">This was because electrical chips, in which the subatomic particles electrons flow through, needed to be small to operate efficiently, whereas optical chips -- with the light particles photons flowing through them -- are required to be large.</p>.<p class="bodytext">They explained this was because the wavelength of light is larger than that of electrons.</p>.<p class="bodytext">As part of the study, published in the journal Science Advances, the scientists came up with a solution to confine light into nanoscopic dimensions, and have developed devices with dual electrical-optical functionality.</p>.<p class="bodytext">The size reduction and a significantly increased energy density allowed them to bridge the incompatibility of photons and electrons for data storage and computation, the researchers said.</p>.<p class="bodytext">They showed that by sending either electrical or optical signals, the state of a photo- and electro-sensitive material is transformed between two different states.</p>.<p class="bodytext">The state of this phase-transforming material was read out by either light or electronics, meaning memory could be encoded and retrieved in the form of these states.</p>.<p class="bodytext">This makes the device the first electro-optical nanoscale memory cell without any volatile characteristics, the researchers said.</p>.<p class="bodytext">"This is a very promising path forward in computation and especially in fields where high processing efficiency is needed," said study co-author Nikolaos Farmakidis from the University of Oxford.</p>.<p class="bodytext">"This naturally includes artificial intelligence applications wherein many occasions the needs for high-performance, low-power computing far exceeds our current capabilities," said Nathan Youngblood, co-author of the study, also from the University of Oxford.</p>.<p class="bodytext">The researchers said interfacing light-based photonic computing with its electrical counterpart may be the key to the next chapter in integrated circuits and other semiconductor applications.</p>