METAMATERIALS

CREATING NEW PARADIGMS WITH METAMATERIALS

Metamaterials are artificial, structured materials that interact with waves in unusual ways, beyond the common properties of natural materials. They are typically realized with small meta-inclusions, which act much in the same way as the molecules of a natural material, to mold the wave interaction as a collective, cumulative effect. They can change the way we typically interact with radio-waves, THz radiation, infrared and light waves, as well as sound, mechanical and many other wave phenomena.

At Silicon Audio, metamaterial concepts inspired the realization of the on-chip radio-wave and acoustic circulators, and are at the basis of many other exciting developments in several fields of technology.


MetaMaterials in our products

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ON-CHIP CIRCULATOR

Inspired by research on metamaterials, the time modulation in the on-chip circulator mimics the magnetic bias on a ferromagnetic molecule and is realized via a resonant circuit.

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ACOUSTIC CIRCULATOR

The mechanical motion of the medium in the acoustic circulator mimics the magnetic bias on a ferromagnetic molecule, but is applied on a suitably designed meta-molecule represented by the acoustic cavity.

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