期刊
APPLIED PHYSICS LETTERS
卷 118, 期 1, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0038381
关键词
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资金
- EPSRC Centre for Doctoral Training in Metamaterials [EP/L015331/1]
The research demonstrates how arrays of annular hole resonators can confine surface acoustic waves to regions much smaller than their wavelength, opening up new possibilities for applications in signal processing, sensing, and microfluidics.
The ability to confine light to subwavelength scales has led to exciting developments in fields ranging from sensing to single molecule chemistry. In this paper, we demonstrate how arrays of annular hole resonators can be used to confine surface acoustic waves (SAWs) to regions of the propagating surface that are much smaller than the wavelength of the SAWs. These microscopic elastic waves are used in devices for signal processing and sensing and, increasingly, in areas such as quantum information and microfluidics. This work potentially transforms the ability to enhance interactions with SAWs and could pave the way for advances that mirror those in nano-photonics.
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