Can Hong-Ou-Mandel type quantum correlation be a test tool for quantum entanglement?

• URL: http://arxiv.org/abs/2206.12785v1
• Date: Sun, 26 Jun 2022 04:41:58 GMT
• Title: Can Hong-Ou-Mandel type quantum correlation be a test tool for quantum entanglement?
• Authors: Byoung S. Ham
• Abstract summary: We revisit the Hong-Ou-Mandel (HOM) type quantum correlation to answer the question whether the HOM-type anticorrelation can be a test tool for quantum entanglement. For this, a pair of spontaneous parametric down converted photons is tested for the anticorrelation of HOM effects, where the SPDC-generated photon pair is not in an entangled state.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Quantum technologies based on the particle nature of a photon has been progressed over the last several decades, where the fundamental quantum feature of entanglement has been tested by Hong-Ou-Mandel (HOM) type anticorrelation as well as Bell-type nonlocal correlation. Mutually exclusive quantum natures of the wave-particle duality of a single photon have been intensively investigated to understand the fundamental physics of mysterious quantum nature. Here, we revisit the HOM-type quantum correlation to answer the question whether the HOM-type anticorrelation can be a test tool for quantum entanglement. For this, a pair of spontaneous parametric down converted photons is tested for the anticorrelation of HOM effects, where the SPDC-generated photon pair is not in an entangled state.

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