Two-photon interference of weak coherent laser pulses recalled from separate solid-state quantum memories.
Identifieur interne : 000249 ( PubMed/Corpus ); précédent : 000248; suivant : 000250Two-photon interference of weak coherent laser pulses recalled from separate solid-state quantum memories.
Auteurs : Jeongwan Jin ; Joshua A. Slater ; Erhan Saglamyurek ; Neil Sinclair ; Mathew George ; Raimund Ricken ; Daniel Oblak ; Wolfgang Sohler ; Wolfgang TittelSource :
- Nature communications [ 2041-1723 ] ; 2013.
Abstract
Quantum memories allowing reversible transfer of quantum states between light and matter are central to quantum repeaters, quantum networks and linear optics quantum computing. Significant progress regarding the faithful transfer of quantum information has been reported in recent years. However, none of these demonstrations confirm that the re-emitted photons remain suitable for two-photon interference measurements, such as C-NOT gates and Bell-state measurements, which constitute another key ingredient for all aforementioned applications. Here, using pairs of laser pulses at the single-photon level, we demonstrate two-photon interference and Bell-state measurements after either none, one or both pulses have been reversibly mapped to separate thulium-doped lithium niobate waveguides. As the interference is always near the theoretical maximum, we conclude that our solid-state quantum memories, in addition to faithfully mapping quantum information, also preserve the entire photonic wavefunction. Hence, our memories are generally suitable for future applications of quantum information processing that require two-photon interference.
DOI: 10.1038/ncomms3386
PubMed: 23985479
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Slater</name></author><author><name sortKey="Saglamyurek, Erhan" sort="Saglamyurek, Erhan" uniqKey="Saglamyurek E" first="Erhan" last="Saglamyurek">Erhan Saglamyurek</name></author><author><name sortKey="Sinclair, Neil" sort="Sinclair, Neil" uniqKey="Sinclair N" first="Neil" last="Sinclair">Neil Sinclair</name></author><author><name sortKey="George, Mathew" sort="George, Mathew" uniqKey="George M" first="Mathew" last="George">Mathew George</name></author><author><name sortKey="Ricken, Raimund" sort="Ricken, Raimund" uniqKey="Ricken R" first="Raimund" last="Ricken">Raimund Ricken</name></author><author><name sortKey="Oblak, Daniel" sort="Oblak, Daniel" uniqKey="Oblak D" first="Daniel" last="Oblak">Daniel Oblak</name></author><author><name sortKey="Sohler, Wolfgang" sort="Sohler, Wolfgang" uniqKey="Sohler W" first="Wolfgang" last="Sohler">Wolfgang Sohler</name></author><author><name sortKey="Tittel, Wolfgang" sort="Tittel, Wolfgang" uniqKey="Tittel W" first="Wolfgang" last="Tittel">Wolfgang Tittel</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2013">2013</date><idno type="doi">10.1038/ncomms3386</idno><idno type="RBID">pubmed:23985479</idno><idno type="pmid">23985479</idno><idno type="wicri:Area/PubMed/Corpus">000249</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000249</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Two-photon interference of weak coherent laser pulses recalled from separate solid-state quantum memories.</title><author><name sortKey="Jin, Jeongwan" sort="Jin, Jeongwan" uniqKey="Jin J" first="Jeongwan" last="Jin">Jeongwan Jin</name><affiliation><nlm:affiliation>Institute for Quantum Science and Technology, Department of Physics & Astronomy, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Slater, Joshua A" sort="Slater, Joshua A" uniqKey="Slater J" first="Joshua A" last="Slater">Joshua A. Slater</name></author><author><name sortKey="Saglamyurek, Erhan" sort="Saglamyurek, Erhan" uniqKey="Saglamyurek E" first="Erhan" last="Saglamyurek">Erhan Saglamyurek</name></author><author><name sortKey="Sinclair, Neil" sort="Sinclair, Neil" uniqKey="Sinclair N" first="Neil" last="Sinclair">Neil Sinclair</name></author><author><name sortKey="George, Mathew" sort="George, Mathew" uniqKey="George M" first="Mathew" last="George">Mathew George</name></author><author><name sortKey="Ricken, Raimund" sort="Ricken, Raimund" uniqKey="Ricken R" first="Raimund" last="Ricken">Raimund Ricken</name></author><author><name sortKey="Oblak, Daniel" sort="Oblak, Daniel" uniqKey="Oblak D" first="Daniel" last="Oblak">Daniel Oblak</name></author><author><name sortKey="Sohler, Wolfgang" sort="Sohler, Wolfgang" uniqKey="Sohler W" first="Wolfgang" last="Sohler">Wolfgang Sohler</name></author><author><name sortKey="Tittel, Wolfgang" sort="Tittel, Wolfgang" uniqKey="Tittel W" first="Wolfgang" last="Tittel">Wolfgang Tittel</name></author></analytic><series><title level="j">Nature communications</title><idno type="eISSN">2041-1723</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Quantum memories allowing reversible transfer of quantum states between light and matter are central to quantum repeaters, quantum networks and linear optics quantum computing. Significant progress regarding the faithful transfer of quantum information has been reported in recent years. However, none of these demonstrations confirm that the re-emitted photons remain suitable for two-photon interference measurements, such as C-NOT gates and Bell-state measurements, which constitute another key ingredient for all aforementioned applications. Here, using pairs of laser pulses at the single-photon level, we demonstrate two-photon interference and Bell-state measurements after either none, one or both pulses have been reversibly mapped to separate thulium-doped lithium niobate waveguides. As the interference is always near the theoretical maximum, we conclude that our solid-state quantum memories, in addition to faithfully mapping quantum information, also preserve the entire photonic wavefunction. Hence, our memories are generally suitable for future applications of quantum information processing that require two-photon interference.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="PubMed-not-MEDLINE"><PMID Version="1">23985479</PMID><DateCreated><Year>2013</Year><Month>08</Month><Day>29</Day></DateCreated><DateCompleted><Year>2014</Year><Month>04</Month><Day>01</Day></DateCompleted><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">2041-1723</ISSN><JournalIssue CitedMedium="Internet"><Volume>4</Volume><PubDate><Year>2013</Year></PubDate></JournalIssue><Title>Nature communications</Title><ISOAbbreviation>Nat Commun</ISOAbbreviation></Journal><ArticleTitle>Two-photon interference of weak coherent laser pulses recalled from separate solid-state quantum memories.</ArticleTitle><Pagination><MedlinePgn>2386</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1038/ncomms3386</ELocationID><Abstract><AbstractText>Quantum memories allowing reversible transfer of quantum states between light and matter are central to quantum repeaters, quantum networks and linear optics quantum computing. Significant progress regarding the faithful transfer of quantum information has been reported in recent years. However, none of these demonstrations confirm that the re-emitted photons remain suitable for two-photon interference measurements, such as C-NOT gates and Bell-state measurements, which constitute another key ingredient for all aforementioned applications. Here, using pairs of laser pulses at the single-photon level, we demonstrate two-photon interference and Bell-state measurements after either none, one or both pulses have been reversibly mapped to separate thulium-doped lithium niobate waveguides. As the interference is always near the theoretical maximum, we conclude that our solid-state quantum memories, in addition to faithfully mapping quantum information, also preserve the entire photonic wavefunction. Hence, our memories are generally suitable for future applications of quantum information processing that require two-photon interference.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Jin</LastName><ForeName>Jeongwan</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Institute for Quantum Science and Technology, Department of Physics & Astronomy, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Slater</LastName><ForeName>Joshua A</ForeName><Initials>JA</Initials></Author><Author ValidYN="Y"><LastName>Saglamyurek</LastName><ForeName>Erhan</ForeName><Initials>E</Initials></Author><Author ValidYN="Y"><LastName>Sinclair</LastName><ForeName>Neil</ForeName><Initials>N</Initials></Author><Author ValidYN="Y"><LastName>George</LastName><ForeName>Mathew</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Ricken</LastName><ForeName>Raimund</ForeName><Initials>R</Initials></Author><Author ValidYN="Y"><LastName>Oblak</LastName><ForeName>Daniel</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Sohler</LastName><ForeName>Wolfgang</ForeName><Initials>W</Initials></Author><Author ValidYN="Y"><LastName>Tittel</LastName><ForeName>Wolfgang</ForeName><Initials>W</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Nat Commun</MedlineTA><NlmUniqueID>101528555</NlmUniqueID><ISSNLinking>2041-1723</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>4</Month><Day>18</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>8</Month><Day>01</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>8</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>8</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>8</Month><Day>30</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">ncomms3386</ArticleId><ArticleId IdType="doi">10.1038/ncomms3386</ArticleId><ArticleId IdType="pubmed">23985479</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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