Radio-frequency optomechanical characterization of a silicon nitride drum

The Natalia Ares Group has published this paper which explores how electromechanical devices probe the interaction between radio-frequency or microwave radiation and mechanical motion.  The field is motivated by potential applications in sensing, the study of quantum mechanics at new mass scales, and quantum information processing.

Room temperature electromechanical characterization of several mechanical modes of a silicon nitride membrane is demonstrated.  The approach allows for the estimation of key parameters without the need for frequency matching or cryogenic cooling, as well as allowing for real-time measurements of displacement.  In addition, for the first time optomechanically induced transparency is demonstrated with a high loss cavity on chip.