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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Nature Portfolio
2021
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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) |
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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 |
work_keys_str_mv |
AT arikbergman observationofantiparitytimesymmetryphasetransitionsandexceptionalpointsinanopticalfibre AT robertduggan observationofantiparitytimesymmetryphasetransitionsandexceptionalpointsinanopticalfibre AT kavitasharma observationofantiparitytimesymmetryphasetransitionsandexceptionalpointsinanopticalfibre AT moshetur observationofantiparitytimesymmetryphasetransitionsandexceptionalpointsinanopticalfibre AT avizadok observationofantiparitytimesymmetryphasetransitionsandexceptionalpointsinanopticalfibre AT andreaalu observationofantiparitytimesymmetryphasetransitionsandexceptionalpointsinanopticalfibre |
_version_ |
1718396581608161280 |