Article Synopsis
- Magnonic logic gates are essential for developing data processing systems that don't depend on traditional electronic or photonic components.
- A new device, featuring a 7x7 array of current loops that generate magnetic fields, has been created to manipulate spin waves in yttrium-iron-garnet films.
- This device demonstrates key nonlinear logic gates (NOT, OR, NOR, AND, NAND, and a half-adder), supporting the creation of a complete processor with impressive contrast ratios for different logic states.
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Article Abstract
Magnonic logic gates represent a crucial step toward realizing fully magnonic data processing systems without reliance on conventional electronic or photonic elements. Recently, a universal and reconfigurable inverse-design device has been developed, featuring a 7 by 7 array of independent current loops that create local inhomogeneous magnetic fields to scatter spin waves in an yttrium-iron-garnet film. Although initially used for linear radio frequency components, we now demonstrate key nonlinear logic gates, NOT, OR, NOR, AND, NAND, and a half-adder, sufficient for building a full processor. In this system, binary data ("0" and "1") are encoded in the spin-wave amplitude. The contrast ratio, representing the difference between logic states, achieved values of 34, 53.9, 11.8, 19.7, 17, and 9.8 decibels for these gates, respectively.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12094216 | PMC |
| http://dx.doi.org/10.1126/sciadv.adu9032 | DOI Listing |
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