Two-dimensional magneto-inductive wave data structures

Magneto-inductive waves exist on certain types of magnetic metamaterials. Previous work proposed the use of these magnetic metamaterials as one-dimensional data transfer channels. Here, we consider a two-dimensional magneto-inductive waveguide comprised of an array of magnetically-coupled square split-ring resonators. Expanding the waveguide into two-dimensions it is natural to assume that more than two terminals may be used in the data channel. An investigation was carried out to ascertain the effect of a third “blocking” terminal on a two-terminal two-dimensional system. Both simulation and experiment was performed and exhibited good agreement (within 10%). From the latter, a data capacity of 305 Mbps could be obtained using an SNR of 100 with the “blocking” terminal only decreasing this capacity by 6% at worst and even increasing the capacity by up to 2% in one case. This clearly shows the ability of two-dimensional magneto-inductive waveguides to support multi-terminal data systems.