Science, Space and Technology News 2023
Using sound waves to control atomic vacancies could enhance communication technologies and provide novel control mechanisms for quantum computing.
“Silicon carbide, which is the host for both the quantum reporters and the acoustic resonator probe, is a readily available commercial semiconductor that can be used at room temperature,” said Evelyn Hu, the Tarr-Coyne Professor of Applied Physics and of Electrical Engineering and the Robin Li and Melissa Ma Professor of Arts and Sciences, and senior author of the paper.
Today, the only way to see what’s happening inside an acoustic resonator without destroying it is with super powerful and very expensive X-rays, such as the broad-spectral X-ray beam at the Argonne National Lab. When acoustic waves move through the material, they put mechanical strain on the lattice, which can flip the spin of the defect. Changes in the spin state can be observed by shining a laser through the material to see how many defects are “on” or “off” after perturbing them.
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