devices are proposed for use in nanoscale data transfer and exchange between electronic components . spin wave generators translate an input signal charge - carrier based signal to spin waves within a ferromagnetic stripe . the spin waves propagate along the ferromagnetic stripe and are detected by spin wave detectors . further , signal transfer devices such as a splitter , mixer , and switch are disclosed . embodiments of the invention provide a solution for replacing copper connections , which is a limiting factor in current and future development of high - performance chips .