Multifunctional nonlinear magnonic devices for microwave signal processing

Ustinov, Alexey B.; Drozdovskii, Andrei V.; Kalinikos, Boris A.
April 2010
Applied Physics Letters;4/5/2010, Vol. 96 Issue 14, p142513
Academic Journal
A multifunctional microwave spin-wave device utilizing a ferrite-film magnonic crystal is reported. A principal of operation of the device is based on a nonlinear frequency shift and a nonlinear damping of the carrier spin waves propagating in the magnonic crystal. The device performs several functions of microwave signal processing, namely, enhancement of signal-to-noise ratio, limiting or suppression of high-power signals, and power-dependent phase shift.


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