Experimental analysis demonstrates self-oscillating SAW resonators generating acoustic output in acousto-optics applications.
We demonstrate self-oscillating SAW resonators using InGaAs-TFLN heterostructures for on-chip oscillators and sources of microwave-frequency phonons for acousto-optics. Continuous acoustic output powers of -33dBm are generated at 1GHz with sub-kHz linewidths from < 0 . 1mm 2 footprint resonators with 36V DC bias.
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Wendt et al. (2025) studied this question.
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