Frequency conversion in ultrastrong cavity QED

Abstract We propose a new method for frequency conversion of photons which is both versatile and deterministic. We show that a system with two resonators ultrastrongly coupled to a single qubit can be used to realise both single- and multiphoton frequency-conversion processes. The conversion can be...

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Autores principales:	Anton Frisk Kockum, Vincenzo Macrì, Luigi Garziano, Salvatore Savasta, Franco Nori
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d789b3a2c71d4f01a380c9742eaa4a36
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spelling	oai:doaj.org-article:d789b3a2c71d4f01a380c9742eaa4a362021-12-02T12:32:27ZFrequency conversion in ultrastrong cavity QED10.1038/s41598-017-04225-32045-2322https://doaj.org/article/d789b3a2c71d4f01a380c9742eaa4a362017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04225-3https://doaj.org/toc/2045-2322Abstract We propose a new method for frequency conversion of photons which is both versatile and deterministic. We show that a system with two resonators ultrastrongly coupled to a single qubit can be used to realise both single- and multiphoton frequency-conversion processes. The conversion can be exquisitely controlled by tuning the qubit frequency to bring the desired frequency-conversion transitions on or off resonance. Considering recent experimental advances in ultrastrong coupling for circuit QED and other systems, we believe that our scheme can be implemented using available technology.Anton Frisk KockumVincenzo MacrìLuigi GarzianoSalvatore SavastaFranco NoriNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-13 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Anton Frisk Kockum Vincenzo Macrì Luigi Garziano Salvatore Savasta Franco Nori Frequency conversion in ultrastrong cavity QED
description	Abstract We propose a new method for frequency conversion of photons which is both versatile and deterministic. We show that a system with two resonators ultrastrongly coupled to a single qubit can be used to realise both single- and multiphoton frequency-conversion processes. The conversion can be exquisitely controlled by tuning the qubit frequency to bring the desired frequency-conversion transitions on or off resonance. Considering recent experimental advances in ultrastrong coupling for circuit QED and other systems, we believe that our scheme can be implemented using available technology.
format	article
author	Anton Frisk Kockum Vincenzo Macrì Luigi Garziano Salvatore Savasta Franco Nori
author_facet	Anton Frisk Kockum Vincenzo Macrì Luigi Garziano Salvatore Savasta Franco Nori
author_sort	Anton Frisk Kockum
title	Frequency conversion in ultrastrong cavity QED
title_short	Frequency conversion in ultrastrong cavity QED
title_full	Frequency conversion in ultrastrong cavity QED
title_fullStr	Frequency conversion in ultrastrong cavity QED
title_full_unstemmed	Frequency conversion in ultrastrong cavity QED
title_sort	frequency conversion in ultrastrong cavity qed
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/d789b3a2c71d4f01a380c9742eaa4a36
work_keys_str_mv	AT antonfriskkockum frequencyconversioninultrastrongcavityqed AT vincenzomacri frequencyconversioninultrastrongcavityqed AT luigigarziano frequencyconversioninultrastrongcavityqed AT salvatoresavasta frequencyconversioninultrastrongcavityqed AT franconori frequencyconversioninultrastrongcavityqed
_version_	1718394066292441088

Frequency conversion in ultrastrong cavity QED

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