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Single-Photon Emitter Retains High Purity at High Temperature

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Scientists at École polytechnique fédérale de Lausanne (EPFL) have developed a single-photon emitter capable of room temperature operation. The technology is based on quantum dots grown on cost-effective silicon substrates. Developing nonclassical light sources that can emit exactly one photon on demand is one of the main requirements of quantum technologies. While the first demonstration of single-photon emitters dates back to the 1970s, their low reliability and efficiency has stood in the way of practical use. The researchers at EPFL, led by professor of...Read full article

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