Generation of broadband ultraviolet frequency-entangled photons using cavity quantum plasmonics

Abstract Application of quantum entangled photons is now extending to various fields in physics, chemistry and biology. In particular, in terms of application to molecular science, broadband ultraviolet frequency-entangled photons are desired because molecules inducing photochemical reactions of int...

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Autor principal:	Hisaki Oka
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/10eb98afd13e4bbd927947f1a854592b
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spelling	oai:doaj.org-article:10eb98afd13e4bbd927947f1a854592b2021-12-02T16:06:10ZGeneration of broadband ultraviolet frequency-entangled photons using cavity quantum plasmonics10.1038/s41598-017-08431-x2045-2322https://doaj.org/article/10eb98afd13e4bbd927947f1a854592b2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-08431-xhttps://doaj.org/toc/2045-2322Abstract Application of quantum entangled photons is now extending to various fields in physics, chemistry and biology. In particular, in terms of application to molecular science, broadband ultraviolet frequency-entangled photons are desired because molecules inducing photochemical reactions of interest often have electronic transition energies in the ultraviolet region. Recent standard method for generating such entangled photons is a chirped quasi-phase-matching method, however this method is not suitable for the generation of ultraviolet frequency-entangled photons because it requires down-conversion of a photon with a wavelength shorter than ultraviolet into an entangled photon pair. Here we propose a simple method for generating broadband ultraviolet frequency-entangled photons using cavity quantum plasmonics, in which conventional cavity quantum electrodynamics theory is applied to quantum plasmonics. We introduce a cavity-plasmon system in which localised surface plasmon (LSP) is coupled to the cavity fields of a state-of-the-art microcavity. Using this system, we theoretically show that broadband ultraviolet frequency-entangled photons can be generated simply by utilising the absorption saturation effect of LSP.Hisaki OkaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hisaki Oka Generation of broadband ultraviolet frequency-entangled photons using cavity quantum plasmonics
description	Abstract Application of quantum entangled photons is now extending to various fields in physics, chemistry and biology. In particular, in terms of application to molecular science, broadband ultraviolet frequency-entangled photons are desired because molecules inducing photochemical reactions of interest often have electronic transition energies in the ultraviolet region. Recent standard method for generating such entangled photons is a chirped quasi-phase-matching method, however this method is not suitable for the generation of ultraviolet frequency-entangled photons because it requires down-conversion of a photon with a wavelength shorter than ultraviolet into an entangled photon pair. Here we propose a simple method for generating broadband ultraviolet frequency-entangled photons using cavity quantum plasmonics, in which conventional cavity quantum electrodynamics theory is applied to quantum plasmonics. We introduce a cavity-plasmon system in which localised surface plasmon (LSP) is coupled to the cavity fields of a state-of-the-art microcavity. Using this system, we theoretically show that broadband ultraviolet frequency-entangled photons can be generated simply by utilising the absorption saturation effect of LSP.
format	article
author	Hisaki Oka
author_facet	Hisaki Oka
author_sort	Hisaki Oka
title	Generation of broadband ultraviolet frequency-entangled photons using cavity quantum plasmonics
title_short	Generation of broadband ultraviolet frequency-entangled photons using cavity quantum plasmonics
title_full	Generation of broadband ultraviolet frequency-entangled photons using cavity quantum plasmonics
title_fullStr	Generation of broadband ultraviolet frequency-entangled photons using cavity quantum plasmonics
title_full_unstemmed	Generation of broadband ultraviolet frequency-entangled photons using cavity quantum plasmonics
title_sort	generation of broadband ultraviolet frequency-entangled photons using cavity quantum plasmonics
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/10eb98afd13e4bbd927947f1a854592b
work_keys_str_mv	AT hisakioka generationofbroadbandultravioletfrequencyentangledphotonsusingcavityquantumplasmonics
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Generation of broadband ultraviolet frequency-entangled photons using cavity quantum plasmonics

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