Inside Quantum Technology

High-Dimensional Quantum Gates Could Open New Avenues for Quantum Information Processing

( A team of researchers from Austria’s Institute for Quantum Optics and Quantum Information, as well as from Canada and Finland used the spatial structure of light to experimentally implement so-called high-dimensional quantum gates. In the ongoing transition from classical to quantum information science, one driving force will be the increasing ability of scientists to generate, manipulate, and measure groups of individual quantum systems in order to harness them as information carriers.
“We hope that this experiment might trigger new pathways in the field of optical quantum communication and computation,” professor Robert Fickler, group leader at Tampere University, said. Similar to their binary counterparts, high-dimensional quantum gates could act as future building blocks for more advanced high-dimensional quantum information technologies.
The team included researchers from the Institute for Quantum Optics and Quantum Information (IQOQI), Tampere University, and the University of Ottawa.

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