Magnon Accumulation in Chirally Coupled Magnets
Tao Yu (Kavli institute of nanoscience Delft, TU Delft - Applied Sciences)
Yu Xiang Zhang (Aarhus University)
Sanchar Sharma (Kavli institute of nanoscience Delft, TU Delft - Applied Sciences)
Xiang Zhang (Kavli institute of nanoscience Delft, TU Delft - Applied Sciences)
Yaroslav M. Blanter (Kavli institute of nanoscience Delft, TU Delft - Applied Sciences)
Gerrit E.W. Bauer (Tohoku University, Kavli institute of nanoscience Delft, TU Delft - Applied Sciences)
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Abstract
We report strong chiral coupling between magnons and photons in microwave waveguides that contain chains of small magnets on special lines. Large magnon accumulations at one edge of the chain emerge when exciting the magnets by a phased antenna array. This mechanism holds the promise of new functionalities in nonlinear and quantum magnonics.