Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 25, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3159628
Keywords
crosstalk; logic devices; phase shifters; spin waves
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We have studied experimentally the linear and nonlinear control over the phase accumulation in a spin-wave phase shifter, which is a key element for construction of spin-wave logic devices. The linear control is realized by creation of a local inhomogeneity of the bias magnetic field, whereas the nonlinear control is based on the shift in the spin-wave dispersion spectrum with the increase in the spin-wave amplitude. We show that in a single device these two mechanisms can have comparable efficiencies and relatively small cross talk, which allows their simultaneous use for realization of dual-argument logic operations.
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