Indistinguishable Photons from a Single Molecule under Pulsed Excitation

Quantum light sources are crucial for the future of quantum photonic technologies and, among them, single photons on-demand are key resources in quantum communications and information processing. Ideal quantum emitters providing indistinguishable photons in a clocked manner, negligible decoherence a...

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Autores principales:	Lombardi Pietro, Colautti Maja, Duquennoy Rocco, Murtaza Ghulam, Majumder Prosenjit, Toninelli Costanza
Formato:	article
Lenguaje:	EN
Publicado:	EDP Sciences 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/f061c3c662c44da68fb72e26a8a7d0b2
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id	oai:doaj.org-article:f061c3c662c44da68fb72e26a8a7d0b2
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spelling	oai:doaj.org-article:f061c3c662c44da68fb72e26a8a7d0b22021-12-02T17:12:51ZIndistinguishable Photons from a Single Molecule under Pulsed Excitation2100-014X10.1051/epjconf/202125506002https://doaj.org/article/f061c3c662c44da68fb72e26a8a7d0b22021-01-01T00:00:00Zhttps://www.epj-conferences.org/articles/epjconf/pdf/2021/09/epjconf_eosam2021_06002.pdfhttps://doaj.org/toc/2100-014XQuantum light sources are crucial for the future of quantum photonic technologies and, among them, single photons on-demand are key resources in quantum communications and information processing. Ideal quantum emitters providing indistinguishable photons in a clocked manner, negligible decoherence and spectral diffusion, and with potential for scalability are today still a major challenge. We report on photostable and indistinguishable single photon emission from dibenzoterrylene molecules isolated in anthracene nanocrystals (DBT:Ac NCs) at 3K. The visibility of two-photon interference is preserved even when they are separated more than thirty times the excited-state lifetime, or ten fluorescence cycles. One of the advantages of organic molecules is the low-cost mass production of nominally identical emitters, that also allow for on-chip integration. These aspects combined with high spectral stability and coherence make them promising for applications and future quantum technologies.Lombardi PietroColautti MajaDuquennoy RoccoMurtaza GhulamMajumder ProsenjitToninelli CostanzaEDP SciencesarticlePhysicsQC1-999ENEPJ Web of Conferences, Vol 255, p 06002 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Lombardi Pietro Colautti Maja Duquennoy Rocco Murtaza Ghulam Majumder Prosenjit Toninelli Costanza Indistinguishable Photons from a Single Molecule under Pulsed Excitation
description	Quantum light sources are crucial for the future of quantum photonic technologies and, among them, single photons on-demand are key resources in quantum communications and information processing. Ideal quantum emitters providing indistinguishable photons in a clocked manner, negligible decoherence and spectral diffusion, and with potential for scalability are today still a major challenge. We report on photostable and indistinguishable single photon emission from dibenzoterrylene molecules isolated in anthracene nanocrystals (DBT:Ac NCs) at 3K. The visibility of two-photon interference is preserved even when they are separated more than thirty times the excited-state lifetime, or ten fluorescence cycles. One of the advantages of organic molecules is the low-cost mass production of nominally identical emitters, that also allow for on-chip integration. These aspects combined with high spectral stability and coherence make them promising for applications and future quantum technologies.
format	article
author	Lombardi Pietro Colautti Maja Duquennoy Rocco Murtaza Ghulam Majumder Prosenjit Toninelli Costanza
author_facet	Lombardi Pietro Colautti Maja Duquennoy Rocco Murtaza Ghulam Majumder Prosenjit Toninelli Costanza
author_sort	Lombardi Pietro
title	Indistinguishable Photons from a Single Molecule under Pulsed Excitation
title_short	Indistinguishable Photons from a Single Molecule under Pulsed Excitation
title_full	Indistinguishable Photons from a Single Molecule under Pulsed Excitation
title_fullStr	Indistinguishable Photons from a Single Molecule under Pulsed Excitation
title_full_unstemmed	Indistinguishable Photons from a Single Molecule under Pulsed Excitation
title_sort	indistinguishable photons from a single molecule under pulsed excitation
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/f061c3c662c44da68fb72e26a8a7d0b2
work_keys_str_mv	AT lombardipietro indistinguishablephotonsfromasinglemoleculeunderpulsedexcitation AT colauttimaja indistinguishablephotonsfromasinglemoleculeunderpulsedexcitation AT duquennoyrocco indistinguishablephotonsfromasinglemoleculeunderpulsedexcitation AT murtazaghulam indistinguishablephotonsfromasinglemoleculeunderpulsedexcitation AT majumderprosenjit indistinguishablephotonsfromasinglemoleculeunderpulsedexcitation AT toninellicostanza indistinguishablephotonsfromasinglemoleculeunderpulsedexcitation
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Indistinguishable Photons from a Single Molecule under Pulsed Excitation

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