Macroscopically entangled light fields
Abstract A novel method of macroscopically entangled light-pair generation is presented for a quantum laser using randomness-based deterministic phase control of coherent light in a coupled Mach–Zehnder interferometer (MZI). Unlike the particle nature-based quantum correlation in conventional quantu...
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Nature Portfolio
2021
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oai:doaj.org-article:3e4b530552e546359be619a0b3bb89132021-12-02T17:51:29ZMacroscopically entangled light fields10.1038/s41598-021-90694-62045-2322https://doaj.org/article/3e4b530552e546359be619a0b3bb89132021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-90694-6https://doaj.org/toc/2045-2322Abstract A novel method of macroscopically entangled light-pair generation is presented for a quantum laser using randomness-based deterministic phase control of coherent light in a coupled Mach–Zehnder interferometer (MZI). Unlike the particle nature-based quantum correlation in conventional quantum mechanics, the wave nature of photons is applied for collective phase control of coherent fields, resulting in a deterministically controllable nonclassical phenomenon. For the proof of principle, the entanglement between output light fields from a coupled MZI is examined using the Hong-Ou-Mandel-type anticorrelation technique, where the anticorrelation is a direct evidence of the nonclassical features in an interferometric scheme. For the generation of random phase bases between two bipartite input coherent fields, a deterministic control of opposite frequency shifts results in phase sensitive anticorrelation, which is a macroscopic quantum feature.Byoung S. HamNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-6 (2021) |
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Medicine R Science Q Byoung S. Ham Macroscopically entangled light fields |
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Abstract A novel method of macroscopically entangled light-pair generation is presented for a quantum laser using randomness-based deterministic phase control of coherent light in a coupled Mach–Zehnder interferometer (MZI). Unlike the particle nature-based quantum correlation in conventional quantum mechanics, the wave nature of photons is applied for collective phase control of coherent fields, resulting in a deterministically controllable nonclassical phenomenon. For the proof of principle, the entanglement between output light fields from a coupled MZI is examined using the Hong-Ou-Mandel-type anticorrelation technique, where the anticorrelation is a direct evidence of the nonclassical features in an interferometric scheme. For the generation of random phase bases between two bipartite input coherent fields, a deterministic control of opposite frequency shifts results in phase sensitive anticorrelation, which is a macroscopic quantum feature. |
format |
article |
author |
Byoung S. Ham |
author_facet |
Byoung S. Ham |
author_sort |
Byoung S. Ham |
title |
Macroscopically entangled light fields |
title_short |
Macroscopically entangled light fields |
title_full |
Macroscopically entangled light fields |
title_fullStr |
Macroscopically entangled light fields |
title_full_unstemmed |
Macroscopically entangled light fields |
title_sort |
macroscopically entangled light fields |
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Nature Portfolio |
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2021 |
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https://doaj.org/article/3e4b530552e546359be619a0b3bb8913 |
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AT byoungsham macroscopicallyentangledlightfields |
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