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    Quantum Interference Enables Constant-Time Quantum Information Processing

    Article obtained from Photonics RSS Feed.

    Quantum interference can be used to process large data sets quickly and accurately, according to a study done by the University of Warsaw, in collaboration with the University of Oxford and NIST. The researchers showed that a simple quantum gate, consisting of an optical device such as a beamsplitter, can be used to compute the Kravchuk transform — an approach that could be better suited to digital image processing and computer vision than the commonly used fast Fourier transform (FFT) algorithm.

    There currently exists no fast algorithm to compute the Kravchuk transform, but the scientists circumvented this limitation using quantum mechanics. The computation they devised is a one-step operation that can be implemented with a…

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    Jul, 23 2019 |

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