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Asymmetry-Based Quantum Backaction Suppression in Quadratic Optomechanics
Physical Review Letters ( IF 8.1 ) Pub Date : 2022-08-04 , DOI: 10.1103/physrevlett.129.063604
Vincent Dumont 1 , Hoi-Kwan Lau 2 , Aashish A Clerk 3 , Jack C Sankey 1
Affiliation  

As the field of optomechanics advances, quadratic dispersive coupling (QDC) represents an increasingly feasible path toward qualitatively new functionality. However, the leading QDC geometries generate linear dissipative coupling and an associated quantum radiation force noise that is detrimental to QDC applications. Here, we propose a simple geometry that dramatically reduces this noise without altering the QDC strength. We identify optimal regimes of operation, and discuss advantages within the examples of optical levitation and nondestructive phonon measurement.

中文翻译:

二次光力学中基于不对称的量子反作用抑制

随着光力学领域的进步,二次色散耦合 (QDC) 代表了一条通往新功能的越来越可行的道路。然而,领先的 QDC 几何结构会产生线性耗散耦合和相关的量子辐射力噪声,这对 QDC 应用是不利的。在这里,我们提出了一种简单的几何结构,可以在不改变 QDC 强度的情况下显着降低这种噪声。我们确定了最佳操作方案,并讨论了光学悬浮和无损声子测量示例中的优势。
更新日期:2022-08-04
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