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Frequency comb single-photon interferometry

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dc.contributor.authorLee, Sun Kyung-
dc.contributor.authorHan, Noh Soo-
dc.contributor.authorYoon, Tai Hyun-
dc.contributor.authorCho, Minhaeng-
dc.date.accessioned2021-09-02T06:30:48Z-
dc.date.available2021-09-02T06:30:48Z-
dc.date.created2021-06-16-
dc.date.issued2018-09-04-
dc.identifier.issn2399-3650-
dc.identifier.urihttps://scholar.korea.ac.kr/handle/2021.sw.korea/73141-
dc.description.abstractDue to their frequency scaling and long-term coherence, frequency combs at the single-photon level can provide a fascinating platform for developments in quantum technology. Here we demonstrate frequency comb single-photon interferometry in an unheralded manner. We are able to induce coherence by erasing the which-way information of path-entangled photon pairs. The photon pairs are prepared using a dual parametric down-conversion pumped by a highly stable frequency comb laser and an ultra-narrow seed laser. This is conducted at the extremely low-conversion efficiency regime. The unique feature of our quantum interferometer is that the induced one-photon interference of the path-encoded single photons (signal), with multiple frequency components, is observed with a unit visibility without heralding conjugate photons (idler). We demonstrate that quantum information and frequency comb technology can be combined to realize quantum information platforms. We expect this will contribute to the application of quantum information and optical measurements beyond the classical limit.-
dc.languageEnglish-
dc.language.isoen-
dc.publisherNATURE PUBLISHING GROUP-
dc.subjectPARAMETRIC DOWN-CONVERSION-
dc.subjectENTANGLED QUANTUM STATES-
dc.subjectMODE-LOCKED LASERS-
dc.subjectOPTICAL FREQUENCIES-
dc.subjectINDUCED COHERENCE-
dc.subjectNOBEL LECTURE-
dc.subjectSPECTROSCOPY-
dc.subjectLIGHT-
dc.subjectGENERATION-
dc.subjectCOMMUNICATION-
dc.titleFrequency comb single-photon interferometry-
dc.typeArticle-
dc.contributor.affiliatedAuthorYoon, Tai Hyun-
dc.contributor.affiliatedAuthorCho, Minhaeng-
dc.identifier.doi10.1038/s42005-018-0051-2-
dc.identifier.scopusid2-s2.0-85059680899-
dc.identifier.wosid000449047400002-
dc.identifier.bibliographicCitationCOMMUNICATIONS PHYSICS, v.1-
dc.relation.isPartOfCOMMUNICATIONS PHYSICS-
dc.citation.titleCOMMUNICATIONS PHYSICS-
dc.citation.volume1-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaPhysics-
dc.relation.journalWebOfScienceCategoryPhysics, Multidisciplinary-
dc.subject.keywordPlusPARAMETRIC DOWN-CONVERSION-
dc.subject.keywordPlusENTANGLED QUANTUM STATES-
dc.subject.keywordPlusMODE-LOCKED LASERS-
dc.subject.keywordPlusOPTICAL FREQUENCIES-
dc.subject.keywordPlusINDUCED COHERENCE-
dc.subject.keywordPlusNOBEL LECTURE-
dc.subject.keywordPlusSPECTROSCOPY-
dc.subject.keywordPlusLIGHT-
dc.subject.keywordPlusGENERATION-
dc.subject.keywordPlusCOMMUNICATION-
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