Abstract
This paper proposes a novel design for a hermetically sealable device, consisting of charged linear and nonlinear membranes driven in the gigahertz range in vacuum setting, as a source of antibunched single phonons. Constraints for effecting phonon antibunching are found using the stationary Liouville–von Neumann master equation. Using analytical calculations and material and geometry optimization, we show that sizes of the proposed system can be upscaled to the near-micrometer range in a trade-off with the system operating temperature. The results are significant to realize quantum phononics, which has much promise as a modality for sensing and computing applications.
Highlights
Phononics is a relatively new branch of science and engineering, encompassing the study and application of various mechanical/elastic wave phenomena
Elastic waves are vital to a range of applications for sensing, imaging, and diagnostics in engineering and biomedicine
Due to the generally slower propagation velocities involved, elastic wave approaches for diagnostics suffer from much poorer resolution as compared to what is achievable using electromagnetics
Summary
Phononics is a relatively new branch of science and engineering, encompassing the study and application of various mechanical/elastic wave phenomena (including vibration, acoustics, ultrasonics, hypersonics, and thermal transport). Phonons refer to quantized states of vibration (in analogy to photons that quantify light), which underlie all elastic wave phenomena.. Elastic waves are vital to a range of applications for sensing, imaging, and diagnostics in engineering and biomedicine.. Phononics has made impressive contributions in recent years, including fundamental advances for sensing, imaging, control, vibration damping, cloaking and wavefront manipulation, and exciting phenomena such as topological and edge states.. The prospect of phononic crystal and metamaterial based novel media that can perform sensing, imaging, and computing with major advances over conventional approaches is exciting. The first observation of quantum states of vibration was made less than a decade ago through cooling to the ground state. Most proposals for phonon sources until date remain theoretical
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