Quantum entanglement and statistics of photons on a beam splitter in the form of coupled waveguides

Abstract It is well known that a beam splitter (BS) can be used as a source of photon quantum entanglement. This is due to the fact that the statistics of photons changes at the output ports of the BS. Usually, quantum entanglement and photon statistics take into account the constancy of the reflect...

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Autores principales:	D. N. Makarov, E. S. Gusarevich, A. A. Goshev, K. A. Makarova, S. N. Kapustin, A. A. Kharlamova, Yu. V. Tsykareva
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/83c6eaf875ec4b8c83fc3e11c20ddbec
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spelling	oai:doaj.org-article:83c6eaf875ec4b8c83fc3e11c20ddbec2021-12-02T17:15:28ZQuantum entanglement and statistics of photons on a beam splitter in the form of coupled waveguides10.1038/s41598-021-89838-52045-2322https://doaj.org/article/83c6eaf875ec4b8c83fc3e11c20ddbec2021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89838-5https://doaj.org/toc/2045-2322Abstract It is well known that a beam splitter (BS) can be used as a source of photon quantum entanglement. This is due to the fact that the statistics of photons changes at the output ports of the BS. Usually, quantum entanglement and photon statistics take into account the constancy of the reflection coefficient R or the transmission coefficient T of the BS, where $$R + T = 1$$ R + T = 1 . It has recently been shown that if BS is used in the form of coupled waveguides, the coefficients R and T will depend on the photon frequencies. In this paper, it is shown that the quantum entanglement and statistics of photons at the output ports of a BS can change significantly if a BS is used in the form of coupled waveguides, where the coefficients R and T are frequency-dependent.D. N. MakarovE. S. GusarevichA. A. GoshevK. A. MakarovaS. N. KapustinA. A. KharlamovaYu. V. TsykarevaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q D. N. Makarov E. S. Gusarevich A. A. Goshev K. A. Makarova S. N. Kapustin A. A. Kharlamova Yu. V. Tsykareva Quantum entanglement and statistics of photons on a beam splitter in the form of coupled waveguides
description	Abstract It is well known that a beam splitter (BS) can be used as a source of photon quantum entanglement. This is due to the fact that the statistics of photons changes at the output ports of the BS. Usually, quantum entanglement and photon statistics take into account the constancy of the reflection coefficient R or the transmission coefficient T of the BS, where $$R + T = 1$$ R + T = 1 . It has recently been shown that if BS is used in the form of coupled waveguides, the coefficients R and T will depend on the photon frequencies. In this paper, it is shown that the quantum entanglement and statistics of photons at the output ports of a BS can change significantly if a BS is used in the form of coupled waveguides, where the coefficients R and T are frequency-dependent.
format	article
author	D. N. Makarov E. S. Gusarevich A. A. Goshev K. A. Makarova S. N. Kapustin A. A. Kharlamova Yu. V. Tsykareva
author_facet	D. N. Makarov E. S. Gusarevich A. A. Goshev K. A. Makarova S. N. Kapustin A. A. Kharlamova Yu. V. Tsykareva
author_sort	D. N. Makarov
title	Quantum entanglement and statistics of photons on a beam splitter in the form of coupled waveguides
title_short	Quantum entanglement and statistics of photons on a beam splitter in the form of coupled waveguides
title_full	Quantum entanglement and statistics of photons on a beam splitter in the form of coupled waveguides
title_fullStr	Quantum entanglement and statistics of photons on a beam splitter in the form of coupled waveguides
title_full_unstemmed	Quantum entanglement and statistics of photons on a beam splitter in the form of coupled waveguides
title_sort	quantum entanglement and statistics of photons on a beam splitter in the form of coupled waveguides
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/83c6eaf875ec4b8c83fc3e11c20ddbec
work_keys_str_mv	AT dnmakarov quantumentanglementandstatisticsofphotonsonabeamsplitterintheformofcoupledwaveguides AT esgusarevich quantumentanglementandstatisticsofphotonsonabeamsplitterintheformofcoupledwaveguides AT aagoshev quantumentanglementandstatisticsofphotonsonabeamsplitterintheformofcoupledwaveguides AT kamakarova quantumentanglementandstatisticsofphotonsonabeamsplitterintheformofcoupledwaveguides AT snkapustin quantumentanglementandstatisticsofphotonsonabeamsplitterintheformofcoupledwaveguides AT aakharlamova quantumentanglementandstatisticsofphotonsonabeamsplitterintheformofcoupledwaveguides AT yuvtsykareva quantumentanglementandstatisticsofphotonsonabeamsplitterintheformofcoupledwaveguides
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Quantum entanglement and statistics of photons on a beam splitter in the form of coupled waveguides

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