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Physicists Just Transferred Quantum Data Between Different Materials For The First Time

Scientists just took a big step towards the goal of quantum computers, and even a quantum internet to connect them, after successfully using photons to transfer quantum information between a cold atomic gas and a solid crystal.

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Lens trick doubles odds for quantum interaction

It’s not easy to bounce a single particle of light off a single atom that is less than a billionth of a metre wide. However, researchers at the Centre for Quantum Technologies at the National University of Singapore have shown they can double the odds of success, an innovation that might be useful in quantum computing and metrology. The findings were published 31 October in Nature Communications.

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High-speed Quantum Memory for Photons

Physicists from the University of Basel have developed a memory that can store photons. These quantum particles travel at the speed of light and are thus suitable for high-speed data transfer. The researchers were able to store them in an atomic vapor and read them

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Toward optical quantum computing

MIT researchers’ new silicon photonic-crystal design, which enables photon-photon interactions at room temperature, could point the way toward all-optical quantum computing.