Observation of frequency-uncorrelated photon pairs generated by counter-propagating spontaneous parametric down-conversion

Abstract We report the generation of frequency-uncorrelated photon pairs from counter-propagating spontaneous parametric down-conversion in a periodically-poled KTP waveguide. The joint spectral intensity of photon pairs is characterized by measuring the corresponding stimulated process, namely, the...

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Autores principales: Yi-Chen Liu, Dong-Jie Guo, Kun-Qian Ren, Ran Yang, Minghao Shang, Wei Zhou, Xinhui Li, Chang-Wei Sun, Ping Xu, Zhenda Xie, Yan-Xiao Gong, Shi-Ning Zhu
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/0ae648c7e9954a53954ae5dcb33f6926
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