Observation of anti-parity-time-symmetry, phase transitions and exceptional points in an optical fibre

Exceptional points enable exotic optical responses, but they usually require complex devices. Here, the authors realise an anti-PT symmetric response supporting exceptional points through Brillouin interactions in a standard optical fibre, which can be tuned by simply controlling pump power and freq...

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Autores principales: Arik Bergman, Robert Duggan, Kavita Sharma, Moshe Tur, Avi Zadok, Andrea Alù
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/33a865d9da284957b73ca20607fa792f
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spelling oai:doaj.org-article:33a865d9da284957b73ca20607fa792f2021-12-02T10:49:21ZObservation of anti-parity-time-symmetry, phase transitions and exceptional points in an optical fibre10.1038/s41467-020-20797-72041-1723https://doaj.org/article/33a865d9da284957b73ca20607fa792f2021-01-01T00:00:00Zhttps://doi.org/10.1038/s41467-020-20797-7https://doaj.org/toc/2041-1723Exceptional points enable exotic optical responses, but they usually require complex devices. Here, the authors realise an anti-PT symmetric response supporting exceptional points through Brillouin interactions in a standard optical fibre, which can be tuned by simply controlling pump power and frequency.Arik BergmanRobert DugganKavita SharmaMoshe TurAvi ZadokAndrea AlùNature PortfolioarticleScienceQENNature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
institution DOAJ
collection DOAJ
language EN
topic Science
Q
spellingShingle Science
Q
Arik Bergman
Robert Duggan
Kavita Sharma
Moshe Tur
Avi Zadok
Andrea Alù
Observation of anti-parity-time-symmetry, phase transitions and exceptional points in an optical fibre
description Exceptional points enable exotic optical responses, but they usually require complex devices. Here, the authors realise an anti-PT symmetric response supporting exceptional points through Brillouin interactions in a standard optical fibre, which can be tuned by simply controlling pump power and frequency.
format article
author Arik Bergman
Robert Duggan
Kavita Sharma
Moshe Tur
Avi Zadok
Andrea Alù
author_facet Arik Bergman
Robert Duggan
Kavita Sharma
Moshe Tur
Avi Zadok
Andrea Alù
author_sort Arik Bergman
title Observation of anti-parity-time-symmetry, phase transitions and exceptional points in an optical fibre
title_short Observation of anti-parity-time-symmetry, phase transitions and exceptional points in an optical fibre
title_full Observation of anti-parity-time-symmetry, phase transitions and exceptional points in an optical fibre
title_fullStr Observation of anti-parity-time-symmetry, phase transitions and exceptional points in an optical fibre
title_full_unstemmed Observation of anti-parity-time-symmetry, phase transitions and exceptional points in an optical fibre
title_sort observation of anti-parity-time-symmetry, phase transitions and exceptional points in an optical fibre
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/33a865d9da284957b73ca20607fa792f
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