Noise Intensity-Intensity Correlations and the Fourth Cumulant of Photo-assisted Shot Noise

We report the measurement of the fourth cumulant of current fluctuations in a tunnel junction under both dc and ac (microwave) excitation. This probes the non-Gaussian character of photo-assisted shot noise. Our measurement reveals the existence of correlations between noise power measured at two di...

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Detalles Bibliográficos
Autores principales: Forgues, Jean-Charles, Sane, Fatou Bintou, Blanchard, Simon, Spietz, Lafe, Lupien, Christian, Reulet, Bertrand
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2013
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3792424/
https://www.ncbi.nlm.nih.gov/pubmed/24100407
http://dx.doi.org/10.1038/srep02869
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author Forgues, Jean-Charles
Sane, Fatou Bintou
Blanchard, Simon
Spietz, Lafe
Lupien, Christian
Reulet, Bertrand
author_facet Forgues, Jean-Charles
Sane, Fatou Bintou
Blanchard, Simon
Spietz, Lafe
Lupien, Christian
Reulet, Bertrand
author_sort Forgues, Jean-Charles
collection PubMed
description We report the measurement of the fourth cumulant of current fluctuations in a tunnel junction under both dc and ac (microwave) excitation. This probes the non-Gaussian character of photo-assisted shot noise. Our measurement reveals the existence of correlations between noise power measured at two different frequencies, which corresponds to two-mode intensity correlations in optics. We observe positive correlations, i.e. photon bunching, which exist only for certain relations between the excitation frequency and the two detection frequencies, depending on the dc bias of the sample.
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spelling pubmed-37924242013-10-18 Noise Intensity-Intensity Correlations and the Fourth Cumulant of Photo-assisted Shot Noise Forgues, Jean-Charles Sane, Fatou Bintou Blanchard, Simon Spietz, Lafe Lupien, Christian Reulet, Bertrand Sci Rep Article We report the measurement of the fourth cumulant of current fluctuations in a tunnel junction under both dc and ac (microwave) excitation. This probes the non-Gaussian character of photo-assisted shot noise. Our measurement reveals the existence of correlations between noise power measured at two different frequencies, which corresponds to two-mode intensity correlations in optics. We observe positive correlations, i.e. photon bunching, which exist only for certain relations between the excitation frequency and the two detection frequencies, depending on the dc bias of the sample. Nature Publishing Group 2013-10-08 /pmc/articles/PMC3792424/ /pubmed/24100407 http://dx.doi.org/10.1038/srep02869 Text en Copyright © 2013, Macmillan Publishers Limited. All rights reserved http://creativecommons.org/licenses/by-nc-sa/3.0/ This work is licensed under a Creative Commons Attribution-NonCommercial-ShareALike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/
spellingShingle Article
Forgues, Jean-Charles
Sane, Fatou Bintou
Blanchard, Simon
Spietz, Lafe
Lupien, Christian
Reulet, Bertrand
Noise Intensity-Intensity Correlations and the Fourth Cumulant of Photo-assisted Shot Noise
title Noise Intensity-Intensity Correlations and the Fourth Cumulant of Photo-assisted Shot Noise
title_full Noise Intensity-Intensity Correlations and the Fourth Cumulant of Photo-assisted Shot Noise
title_fullStr Noise Intensity-Intensity Correlations and the Fourth Cumulant of Photo-assisted Shot Noise
title_full_unstemmed Noise Intensity-Intensity Correlations and the Fourth Cumulant of Photo-assisted Shot Noise
title_short Noise Intensity-Intensity Correlations and the Fourth Cumulant of Photo-assisted Shot Noise
title_sort noise intensity-intensity correlations and the fourth cumulant of photo-assisted shot noise
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3792424/
https://www.ncbi.nlm.nih.gov/pubmed/24100407
http://dx.doi.org/10.1038/srep02869
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