Assembling a Toolbox to Construct New Devices With Customizable Properties, With Potentially Quantum Information Applications

…The results may be viewed as quantum transduction, or the conversion of one “quanta” of energy to another, said first author Youn Jun (Eunice) Bae, a postdoc in Zhu’s lab…

…The energy of excitons is four orders of magnitude larger than that of magnons; now, because they pair together so strongly, we can easily observe tiny changes in the magnons, Bae explained…

…This transduction may one day enable researchers to build quantum information networks that can take information from spin-based quantum bits—which generally need to be located within millimeters of each other—and convert it to light, a form of energy that can transfer information up to hundreds of miles via optical fibers…

Image: The pairing between magnons and excitons will allow researchers to see spin directions, an important consideration for several quantum applications. Credit: Chung-Jui Yu

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