Quantum interference of single photons with distinguishable paths
Yunxiao Zhang, Liang Cui, Xueshi Guo, Wen Zhen Zhao, Xuan Tang, Xiaoying Li, Z. Y. Ou · 2025
We report a single-photon interference experiment where the interfering paths are in orthogonal polarization and temporal modes. This is achieved through amplitude measurement by homodyne detection so that interference occurs in photo-current after measurement.