论文标题
开放波导中两分态状态的量子相测量
Quantum phase measurement for two-qubit states in an open waveguide
论文作者
论文摘要
我们提出了一种在开放式波导中的两个Quibent状态的单个态度子空间内的量子状态层析成像的新方法。所研究的系统由开放波导中的三个Qubit组成，其距离与电磁场的波长相当。我们表明，中央辅助量子置量频率的调制使我们能够通过测量其概率振幅的演变来获得有关初始相差的明确信息$φ_1-φ_3$。
We present a new method for quantum state tomography within a single-excitation subspace of two-qubit states in an open waveguide. The system under investigation consists of three qubits in an open waveguide, separated by a distance comparable to the wavelength of the electromagnetic field. We show that the modulation of the frequency of the central ancillary qubit allows us to obtain unambiguous information about the initial phase difference $φ_1-φ_3$ of the edge qubits via the measurement of the evolution of their probability amplitudes.
