论文标题
用明亮的挤压光估算手性介质的浓度
Estimating the concentration of chiral media with bright squeezed light
论文作者
论文摘要
手性解决方案的浓度是许多科学领域和工业过程中的关键参数。通过利用光学活性培养基中存在的循环双折射或循环二色性，可以估计该参数高精度。使用量子渔民信息形式主义，我们量化了高斯探针在估计手性分析物浓度时的性能。我们发现，明亮的极化挤压状态探针比同样明亮的经典策略提供了量子优势，该策略与循环双折射样品的挤压因子呈指数缩放。使用最新的挤压水平和强度测量值可以实现四倍的精度增强。
The concentration of a chiral solution is a key parameter in many scientific fields and industrial processes. This parameter can be estimated to high precision by exploiting circular birefringence or circular dichroism present in optically active media. Using the Quantum Fisher information formalism, we quantify the performance of Gaussian probes in estimating the concentration of chiral analytes. We find that bright-polarization squeezed state probes provide a quantum advantage over equally bright classical strategies that scales exponentially with the squeezing factor for a circularly birefringent sample. Four-fold precision enhancement is achievable using state-of-the-art squeezing levels and intensity measurements.
