论文标题
延迟选择量子擦除方案中的宏观量子相关性
Macroscopic quantum correlation in a delayed-choice quantum eraser scheme
论文作者
论文摘要
量子纠缠被称为量子力学的独特特征，量子力学无法从古典物理学获得。最近，使用相干光子对进行了延迟选择量子擦除器的相干解释，其中成对光子之间的相锁对称频率在选择性测量引起的非局部相关方面起着至关重要的作用。在这里，使用正交极化的光场在Mach-Zehnder干涉仪（MZI）中使用正交极化的光场提出了非局部相关性的宏观版本。每个MZI输出场在旋转偏光层上产生的极化投影满足了因果关系的侵犯。基于此宏观量子橡皮擦，如果通过低通滤波器选择性地测量强度产物以在它们之间的障碍信号中选择性测量，则两个投影输出场之间的强度产物满足了不可分割的联合参数关系。
Quantum entanglement is known as a unique feature of quantum mechanics, which cannot be obtained from classical physics. Recently, a coherence interpretation has been conducted for the delayed-choice quantum eraser using coherent photon pairs, where phase-locked symmetric frequency detuning between paired photons plays an essential role for selective measurement-caused nonlocal correlation. Here, a macroscopic version of the nonlocal correlation is presented using orthogonally polarized optical fields in a continuous wave quantum eraser scheme in a Mach-Zehnder interferometer (MZI). The resulting polarization projection of each MZI output fields onto a rotated polarizer satisfies the violation of the cause-effect relation. Based on this macroscopic quantum eraser, the intensity product between two projected output fields satisfies the inseparable joint-parameter relation if the intensity product is selectively measured through a low pass filter to block beating signals between them.
