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Optimal state estimation for cavity optomechanical systems

zqyin 添加于 2015-5-6 10:09 | 1064 次阅读 | 0 个评论

作者
Wieczorek W, Hofer SG, Hoelscher-Obermaier J, Riedinger R, Hammerer K, Aspelmeyer M
摘要
We demonstrate optimal state estimation for a cavity optomechanical system through Kalman filtering. By taking into account nontrivial experimental noise sources, such as colored laser noise and spurious mechanical modes, we implement a realistic state-space model. This allows us to estimate the conditional system state, i.e., conditioned on previous measurements, with minimal least-square estimation error. We apply this method for estimating the mechanical state, as well as optomechanical correlations both in the weak and strong coupling regime. The application of the Kalman filter is an important next step for achieving real-time optimal (classical and quantum) control of cavity optomechanical systems.
详细资料
- 关键词: quant-ph
- 文献种类: Manual Script
- 期卷页: 2015年
- 日期: 2015-5-6
- 发布方式: arXiv e-prints
- 备注:arXiv:1505.01060v1; 5+12 pages
学科领域自然科学 » 物理学
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