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(11)

EP 4 581 411 A1

(12)

(43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23776183.8 (22) Date of filing: 31.08.2023

(51) International Patent Classification (IPC):  G02B 6/122(2006.01) G02B 6/10(2006.01) G02B 6/12(2006.01) G02B 6/132(2006.01) G02B 6/134(2006.01) (52) Cooperative Patent Classification (CPC): G02B 6/132; G02B 2006/12061; G02B 2006/12169; G02B 2006/1218; G02B 6/102; G02B 6/1342; G02B 2006/121; G02B 6/1223 (86) International application number: PCT/US2023/031603 (87) International publication number: WO 2024/049944 (07.03.2024 Gazette 2024/10)

(84) 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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 02.09.2022 US 202263374412 P 28.08.2023 US 202318456872 (71) Applicant: Quantinuum LLC Broomfield, Colorado 80021 (US)	(72) Inventors: CARRON, Christopher, John Broomfield, Colorado 80021 (US) KROGSTAD, Molly Broomfield, Colorado 80021 (US) HORNING, Robert Broomfield, Colorado 80021 (US) HIGASHI, Robert Broomfield, Colorado 80021 (US) DEEN, David Broomfield, Colorado 80021 (US) (74) Representative: Haseltine Lake Kempner LLP  Cheapside House 138 Cheapside London EC2V 6BJ London EC2V 6BJ (GB)