Large amplitude mechanical coherent states and detection of weak nonlinearities in cavity optomechanics

IF 5 2区 物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY
Wenlin Li, Paolo Piergentili, Francesco Marzioni, Michele Bonaldi, Antonio Borrielli, Enrico Serra, Francesco Marin, Francesco Marino, Nicola Malossi, Riccardo Natali, Giovanni Di Giuseppe and David Vitali
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引用次数: 0

Abstract

The generation of large-amplitude coherent states of a massive mechanical resonator, and their quantum-limited detection represent useful tools for quantum sensing and for testing fundamental physics theories. In fact, any weak perturbation may affect the coherent quantum evolution of the prepared state, providing a sensitive probe for such a perturbation. Here we consider a cavity optomechanical setup and the case of the detection of a weak mechanical nonlinearity. We consider different strategies, first focusing on the stationary dynamics in the presence of multiple tones driving the system, and then focusing on non-equilibrium dynamical strategies. These methods can be successfully applied for measuring Duffing-like material nonlinearities, or effective nonlinear corrections associated with quantum gravity theories.
腔光力学中大振幅力学相干态及弱非线性检测
大质量机械谐振器的大振幅相干态的产生及其量子有限探测是量子传感和基础物理理论测试的有用工具。事实上,任何弱扰动都可能影响制备态的相干量子演化,为这种扰动提供了一个敏感的探针。这里我们考虑一个腔光力学设置和弱力学非线性检测的情况。我们考虑了不同的策略,首先关注存在多个音调驱动系统的平稳动态,然后关注非平衡动态策略。这些方法可以成功地应用于测量类duffing材料非线性,或与量子引力理论相关的有效非线性修正。
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来源期刊
Quantum Science and Technology
Quantum Science and Technology Materials Science-Materials Science (miscellaneous)
CiteScore
11.20
自引率
3.00%
发文量
133
期刊介绍: Driven by advances in technology and experimental capability, the last decade has seen the emergence of quantum technology: a new praxis for controlling the quantum world. It is now possible to engineer complex, multi-component systems that merge the once distinct fields of quantum optics and condensed matter physics. Quantum Science and Technology is a new multidisciplinary, electronic-only journal, devoted to publishing research of the highest quality and impact covering theoretical and experimental advances in the fundamental science and application of all quantum-enabled technologies.
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