Experimental phononics setup (IMAGE) University of Arizona Caption Matt Eichenfield's team at Sandia National Laboratories uses multiple microwave frequencies to characterize a nonlinear phononic mixing device they built on a silicon wafer. Credit Bret Latter/Sandia National Laboratories Usage Restrictions This visual may only be used for the purpose of posting and/or reporting of this news release. Credit must be provided as indicated. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.