New method for information processing: The coherent information exchange (black undulating lines) between magnons (shaded red area) and microwave photons (shaded blue area) is controlled by turning an electric pulse on and off (square wave at bottom). Credit: Image by Xufeng Zhang, Argonne National Laboratory

New technology paves the way for improved information transfer in both classical and quantum regimes.

Many of us swing through gates every day — points of entry and exit to a space like a garden, park or subway. Electronics have gates too. These control the flow of information from one place to another by means of an electrical signal. Unlike a garden gate, these gates require control of their opening and closing many times faster than the blink of an eye.

Scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory and the University of Chicago’s Pritzker School of Molecular Engineering have devised a…

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