Time-Domain Quantum Interferometric Spectroscopy of Biphotons
Samuel Corona-Aquino, Zi-Qi Zeng, Tao Xie, Shi-Xin You, Chunling Ding, Yukun Song, Dongzhou Wang, Yun Meng, Kai Zou, Xiaolong Hu, Baihong Li, Alfred B. U’Ren, Roberto de J. León‐Montiel, Rui‐Bo Jin · 2025
We present a technique for spectral characterization of biphotons generated through spontaneous parametric down-conversion. By hybridizing a Hong-Ou-Mandel interferometer with a N00N-state interferometer, we successfully recover the Joint Spectral Intensity from a single time-domain measurement.