2 papers
physics.app-ph2021
Realizing spatiotemporal effective media for acoustic metamaterials
Xinhua Wen, Xinghong Zhu, Hong Wei Wu +1
The effective medium representation is fundamental in providing a performance-to-design approach for many devices based on metamaterials. While there are recent works in extending…
physics.app-ph2020
Asymmetric frequency conversion with acoustic non-Hermitian space-time varying metamaterial
Xinhua Wen, Xinghong Zhu, Alvin Fan +5
Space-time modulated metamaterials support extraordinary rich applications, such as parametric amplification, frequency conversion and non-reciprocal transmission. However, experim…