论文标题
使用稀土离子掺杂剂的微波光转化理论
Theory of Microwave-Optical Conversion Using Rare-Earth Ion Dopants
论文作者
论文摘要
我们开发了用于微波炉相干转换为光光子的设备的理论描述。对于该设备，将晶体中的掺杂离子用作三级系统，并与重叠的微波炉和光腔内的磁场相互作用。我们为与离子集合相互作用的腔场开发了一个模型，并使用开放量子系统方法对离子进行建模，同时考虑了不均匀宽片的影响。开发数值方法是为了使我们能够准确模拟设备。我们还进一步开发了一个简化的模型，适用于与量子信息应用相关的小型腔场。该简化模型用于预测设备的最大转化效率。我们研究了各种参数的效果，并预测，在稀释冰箱内当前现有的实验设置应该可以实现高于80％的转化效率。
We develop a theoretical description of a device for coherent conversion of microwave to optical photons. For the device, dopant ions in a crystal are used as three-level systems, and interact with the fields inside overlapping microwave and optical cavities. We develop a model for the cavity fields interacting with an ensemble of ions, and model the ions using an open quantum systems approach, while accounting for the effect of inhomogeneous broadening. Numerical methods are developed to allow us to accurately simulate the device. We also further develop a simplified model, applicable in the case of small cavity fields which is relevant to quantum information applications. This simplified model is used to predict the maximum conversion efficiency of the device. We investigate the effect of various parameters, and predict that conversion efficiency of above 80% should be possible with currently existing experimental setups inside a dilution refrigerator.
