论文标题
通过电磁整合方向耦合器检测两种模式的空间量子光态
Detection of two-mode spatial quantum states of light by electro-optic integrated directional couplers
论文作者
论文摘要
我们通过在Kolgelnik-Schmidt构型中建立的可重新配置的集成设备来研究两种模式空间量子光态光的光量状状态，该设备在Kolgelnik-Schmidt构型中构建，该配置可为制造缺陷提供更高的误差，与其他电流相比，该设备对制造缺陷和更大的集成密度具有更高的误差。 SU（2）在引导空间模式上实现了转换，以通过空间两种模式同型检测来重建光场强度量子概率分布，并通过弱值通过弱值进行完整的光场强度波函数。这种方法可以很容易地扩展到空间N模式输入量子状态。除了表征光学量子状态的有用性外，它还强调了其用于测量所谓的广义量子极化的应用。
We study both manipulation and detection of two-mode spatial quantum states of light by means of a reconfigurable integrated device built in an electro-optical material in a Kolgelnik-Schmidt configuration, which provides higher error tolerance to fabrication defects and larger integration density than other current schemes. SU(2) transformations are implemented on guided spatial modes in such a way that reconstruction of both the optical field-strength quantum probability distribution, via spatial two-mode homodyne detection, and the full optical field-strength wavefunction, by means of weak values, are carried out. This approach can easily be extended to spatial N-mode input quantum states. Apart from its usefulness to characterize optical quantum states, it is also emphasized its application to the measurement of the so-called generalized quantum polarization.
