Acoustic devices play an increasingly important role in modern society for information
technology and intelligent systems, and recently significant progress has been made in the …

During the past decades micro-electromechanical microphones have largely taken over the
market for portable devices, being produced in volumes of billions yearly. Because …

Abstract Three-dimensional (3D) functional graphene-based architecture with superior
electrical conductivity and good mechanical strength has promising applications in energy …

Microphones exploit the motion of suspended membranes to detect sound waves. Since the
microphone performance can be improved by reducing the thickness and mass of its …

Suspended membranes of monatomic graphene exhibit great potential for applications in
electronic and nanoelectromechanical devices. In this work, a “hot and dry” transfer process …

Nanophotonics and optoelectronics are the keys to the information transmission technology
field. The performance of the devices crucially depends on the light–matter interaction, and it …

A high-sensitivity low-frequency fiber-optic Fabry-Perot (FP) acoustic sensing scheme was
proposed based on optical cross-correlation (OCC). The finite element method (FEM) is …

Since the performance of micro-electro-mechanical system (MEMS)-based microphones is
approaching fundamental physical, design, and material limits, it has become challenging to …

Flexible pressure sensors can convert mechanical stimuli to electrical signals to interact with
the surroundings, mimicking the functionality of the human skins. Piezocapacitive pressure …

To avoid interference from unexpected background noises and obtain high fidelity voice
signal, acoustic sensors with high sensitivity, flat frequency response, and high signal-to …