Researchers at the University of Bristol in the U.K. have developed a photon-controlling chip that could lead to creating components for optical quantum computers. “We were surprised by how well the integrated sources performed together," said Joshua Silverstone, lead author of a paper published in Nature Photonics. "They produced high-quality identical photons in a reproducible way, confirming that we could one day manufacture a silicon chip with hundreds of similar sources on it, all working together. This could eventually lead to an optical quantum computer capable of performing enormously complex calculations," he said.
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