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Extract from the Register of European Patents

EP About this file: EP3971638

EP3971638 - METHOD FOR GENERATING HERALDED SINGLE-PHOTONS [Right-click to bookmark this link]
Status	The application is deemed to be withdrawn Status updated on 15.03.2024 Database last updated on 09.09.2024
Former	Examination is in progress Status updated on 19.05.2023
Former	Request for examination was made Status updated on 23.09.2022
Former	The application has been published Status updated on 18.02.2022
Most recent event Tooltip	15.03.2024	Application deemed to be withdrawn	published on 17.04.2024 [2024/16]
Applicant(s)	For all designated states Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Hansastr. 27c 80686 München / DE
	[2022/16]
Former [2022/12]	For all designated states FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Hansastraße 27c 80686 München / DE
Inventor(s)	01 / Marques Muniz, André Luiz 07743 Jena / DE
	02 / Steinlechner, Fabian 07745 Jena / DE
	[2022/12]
Representative(s)	Louis Pöhlau Lohrentz Patentanwälte Postfach 30 55 90014 Nürnberg / DE
	[2022/12]
Application number, filing date	20196452.5	16.09.2020
	[2022/12]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP3971638
	Date:	23.03.2022
	Language:	EN
	[2022/12]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	24.02.2021
Classification	IPC:	G02F1/35, G02F1/365, G02F1/39	[2022/12]
	CPC:	G02F1/3536 (EP); G02F1/3526 (EP); G02F1/365 (EP); G02F1/39 (EP); G02F1/3501 (EP)
Designated contracting states	AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2022/43]
Former [2022/12]	AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
Extension states	BA	Not yet paid
	ME	Not yet paid
Validation states	KH	Not yet paid
	MA	Not yet paid
	MD	Not yet paid
	TN	Not yet paid
Title	German:	VERFAHREN ZUR ERZEUGUNG VON EINGELEITETEN EINZELPHOTONEN	[2022/12]
	English:	METHOD FOR GENERATING HERALDED SINGLE-PHOTONS	[2022/12]
	French:	PROCÉDÉ DE GÉNÉRATION DE PHOTONS UNIQUES ANNONCÉS	[2022/12]
Examination procedure	16.09.2022	Amendment by applicant (claims and/or description)
	16.09.2022	Examination requested [2022/43]
	16.09.2022	Date on which the examining division has become responsible
	19.05.2023	Despatch of a communication from the examining division (Time limit: M06)
	30.11.2023	Application deemed to be withdrawn, date of legal effect [2024/16]
	20.12.2023	Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [2024/16]
Fees paid	Renewal fee
	31.03.2022	Renewal fee patent year 03
	19.09.2023	Renewal fee patent year 04
Opt-out from the exclusive Tooltip competence of the Unified Patent Court	See the Register of the Unified Patent Court for opt-out data
	Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:	Search	[X]US2018231868 (GRICE WARREN P [US], et al) [X] 1,7,8,15 * paragraphs [0009] , [0 42] , [0 52] * * figure 3 *;
		[XA] - GRIMAU PUIGIBERT M ET AL, "Heralded single photons based on spectral multiplexing and feed-forward control", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, (20170306), doi:10.1103/PHYSREVLETT.119.083601, XP080754691 [X] 1-6,8-15 * page 1, column 1, line 8 - line 17 * * page 1, column 2, line 10 - line 30 * * page 2, column 1, line 49 - column 2, line 14 * * page 2, column 2, line 24 - line 41 * * page 5, column 1, line 28 - column 2, line 2 * * figure 1 * [A] 7 DOI: http://dx.doi.org/10.1103/PhysRevLett.119.083601
		[X] - JUSTIN B SPRING ET AL, "A chip-based array of near-identical, pure, heralded single photon sources", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, (20160322), XP080691383 [X] 1,15 * abstract *
		[A] - KANEDA FUMIHIRO ET AL, "Time-multiplexed heralded single-photon source", OPTICA, US, (20151220), vol. 2, no. 12, doi:10.1364/OPTICA.2.001010, ISSN 2334-2536, page 1010, XP055774548 [A] 1-15 * abstract * DOI: http://dx.doi.org/10.1364/OPTICA.2.001010
		[A] - ALESSANDRO SERI ET AL, "A novel integrated platform for quantum storage of heralded single photons", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, (20180507), XP080875518 [A] 1-15 * abstract *
		[A] - LIU MAO TONG ET AL, "Generation of O-band heralded single-photons using a silicon wire waveguide", 2013 CONFERENCE ON LASERS AND ELECTRO-OPTICS PACIFIC RIM (CLEOPR), IEEE, (20130630), doi:10.1109/CLEOPR.2013.6600362, pages 1 - 2, XP032481699 [A] 1-15 * abstract * DOI: http://dx.doi.org/10.1109/CLEOPR.2013.6600362

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