Realization of dynamically controlled resonator pairs in nanomechanical arrays

Nanomechanical resonator arrays constitute a promising platform for topological physics and integrated acoustic devices. However, achieving precise control of the couplings between resonators has been a significant challenge for realizing a time-dependent Hamiltonian. In this work, we address this challenge by designing the geometric parameters of the resonators, enabling us to achieve dynamical control over the coupling strength and frequency stability. Our scalable resonator array allows for the dynamic control of coupling strengths between every individual resonator pair, ranging from zero to more than 20 times the dissipation rate. Moreover, we demonstrate Rabi-like oscillations with real-time-varying Rabi frequencies. This dynamically controlled system provides an extended platform for investigating dynamic processes and their applications.

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Publication Details

Journal
Physical Review Applied
Published
2024-08-22
DOI
https://doi.org/10.1103/physrevapplied.22.024060
Primary Topic
Mechanical and Optical Resonators
Type
article
Field-Weighted Citation Impact
0.00

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article

Realization of dynamically controlled resonator pairs in nanomechanical arrays

Chang‐Kui Duan, Longhao Wu, Tian Tian, Y. T. Zhang et al.
Physical Review Applied
Mechanical and Optical Resonators
article

Realization of dynamically controlled resonator pairs in nanomechanical arrays

Chang‐Kui Duan, Longhao Wu, Tian Tian, Y. T. Zhang, Jingwei Zhou, Liang Zhang, Jiangfeng Du, Shaochun Lin, Zhouning Liu
article en

Abstract

Nanomechanical resonator arrays constitute a promising platform for topological physics and integrated acoustic devices. However, achieving precise control of the couplings between resonators has been a significant challenge for realizing a time-dependent Hamiltonian. In this work, we address this challenge by designing the geometric parameters of the resonators, enabling us to achieve dynamical control over the coupling strength and frequency stability. Our scalable resonator array allows for the dynamic control of coupling strengths between every individual resonator pair, ranging from zero to more than 20 times the dissipation rate. Moreover, we demonstrate Rabi-like oscillations with real-time-varying Rabi frequencies. This dynamically controlled system provides an extended platform for investigating dynamic processes and their applications.

Physical Review AppliedVol. 22(2)
University of Science and Technology of China (CN), Shanxi University (CN), Chinese Academy of Sciences (CN), Shanxi University of Traditional Chinese Medicine (CN), State Key Laboratory of Quantum Optics and Quantum Optics Devices, Zhejiang University (CN)
National Natural Science Foundation of China, National Key Research and Development Program of China
Affordable and clean energy
Openalex Percentile: Top 89%
Mechanical and Optical Resonators
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Realization of dynamically controlled resonator pairs in nanomechanical arrays — Chang‐Kui Duan, Longhao Wu, et al. · Physical Review Applied (2024) | TGRS Research Map | TGRS