Hong-Ou-Mandel Effect Between a Thermal Field and a Heralded Single-Photon State: Improved Visibility by Multiphoton Components
2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)（2023）
Abstract
The heralding technique has been widely deployed as a statistical approach to approximate deterministic single-photon states from the spontaneous parametric down-conversion (SPDC) process. As necessary for the two-photon Hong-Ou-Mandel (HOM) effect, the single frequency mode preparation of heralded single-photon states – which can be achieved by removing frequency correlations – introduces thermal characteristics to the heralded state, whose impact on the HOM visibility has not been explicitly studied so far.
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Key words
approximate deterministic single-photon states,heralded single-photon state,heralded state,heralding technique,HOM visibility,multiphoton components,single frequency mode preparation,spontaneous parametric down-conversion process,statistical approach,thermal characteristics,thermal field,two-photon Hong-Ou-Mandel effect
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