Teilprojekt B02 – SFB 1227 DQ-mat – Leibniz Universität Hannover

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Schmidt RP, Ramakrishna S, Peshkov AA, Huntemann N, Peik E, Fritzsche S et al. Atomic photoexcitation as a tool for probing purity of twisted light modes. Physical Review A. 2024 Mär 4;109(3):033103. doi: 10.1103/PhysRevA.109.033103

Dörscher S, Klose J, Maratha palli S, Lisdat C. Experimental determination of the E2−M1 polarizability of the strontium clock transition. Physical Review Research. 2023 Feb 7;5(1):L012013. doi: 10.1103/PhysRevResearch.5.L012013

Filzinger M, Dörscher S, Lange R, Klose J, Steinel M, Benkler E et al. Improved limits on the coupling of ultralight bosonic dark matter to photons from optical atomic clock comparisons. Physical Review Letters. 2023 Jun 22;130(25):253001. 253001. doi: 10.48550/arXiv.2301.03433, 10.1103/PhysRevLett.130.253001

Kedar D, Yu J, Oelker E, Staron A, Milner WR, Robinson JM et al. Frequency stability of cryogenic silicon cavities with semiconductor crystalline coatings. OPTICA. 2023 Apr 20;10(4):464-470. doi: 10.1364/OPTICA.479462

Peshkov AA, Bidasyuk YM, Lange R, Huntemann N, Peik E, Surzhykov A. Interaction of twisted light with a trapped atom: Interplay between electronic and motional degrees of freedom. Physical Review A. 2023 Feb 13;107(2):023106. doi: 10.1103/physreva.107.023106

Steinel M, Shao H, Filzinger M, Lipphardt B, Brinkmann M, Didier A et al. Evaluation of a Sr+ 88 Optical Clock with a Direct Measurement of the Blackbody Radiation Shift and Determination of the Clock Frequency. Physical review letters. 2023 Aug 23;131(8):083002. doi: 10.1103/PhysRevLett.131.083002

Kazakov GA, Dubey S, Bychek A, Sterr U, Bober M, Zawada M. Ultimate stability of active optical frequency standards. Physical Review A. 2022 Nov 23;106(5):053114. doi: 10.48550/arXiv.2205.14130, 10.1103/PhysRevA.106.053114

Lange R, Huntemann N, Peshkov AA, Surzhykov A, Peik E. Excitation of an Electric Octupole Transition by Twisted Light. Physical review letters. 2022 Dez 12;129(25):253901. doi: 10.1103/PhysRevLett.129.253901

Schioppo M, Kronjäger J, Silva A, Ilieva R, Paterson JW, Baynham CFA et al. Comparing ultrastable lasers at 7 × 10−17 fractional frequency instability through a 2220 km optical fibre network. Nature Communications. 2022 Jan 11;13(1):212. doi: 10.1038/s41467-021-27884-3

Steinel M, Shao H, Filzinger M, Lipphardt B, Brinkmann M, Didier A et al. Evaluation of a 88Sr+ optical clock with a direct measurement of the blackbody radiation shift and determination of the clock frequency. 2022 Dez 16. Epub 2022 Dez 16. doi: 10.48550/arXiv.2212.08687

Dörscher S, Huntemann N, Schwarz R, Lange R, Benkler E, Lipphardt B et al. Optical frequency ratio of a ¹⁷¹Yb⁺ single-ion clock and a ⁸⁷Sr lattice clock. METROLOGIA. 2021 Feb;58(1):015005. doi: 10.1088/1681-7575/abc86f

Lange R, Huntemann N, Rahm JM, Sanner C, Shao H, Lipphardt B et al. Improved Limits for Violations of Local Position Invariance from Atomic Clock Comparisons. Physical review letters. 2021 Jan 6;126(1):011102. doi: 10.1103/PhysRevLett.126.011102

Lisdat C, Dörscher S, Nosske I, Sterr U. Blackbody radiation shift in strontium lattice clocks revisited. Physical Review Research. 2021 Dez 9;3(4):L042036. doi: 10.1103/physrevresearch.3.l042036

Dörscher S, Al-Masoudi A, Bober M, Schwarz R, Hobson R, Sterr U et al. Dynamical decoupling of laser phase noise in compound atomic clocks. Communications Physics. 2020 Dez 1;3(1):185. doi: 10.1038/s42005-020-00452-9

Roberts BM, Delva P, Al-Masoudi A, Amy-Klein A, Bærentsen C, Baynham CFA et al. Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks. New journal of physics. 2020 Sep;22(9):093010. doi: 10.1088/1367-2630/abaace

Schulte M, Lisdat C, Schmidt PO, Sterr U, Hammerer K. Prospects and challenges for squeezing-enhanced optical atomic clocks. Nature Communications. 2020 Nov 24;11(1):5955. doi: 10.1038/s41467-020-19403-7

Schwarz R, Dörscher S, Al-Masoudi A, Benkler E, Legero T, Sterr U et al. Long term measurement of the Sr 87 clock frequency at the limit of primary Cs clocks. Physical Review Research. 2020 Aug;2(3):033242. doi: 10.1103/PhysRevResearch.2.033242

Herbers S, Dörscher S, Benkler E, Lisdat C. Phase noise of frequency doublers in optical clock lasers. Optics express. 2019;27(16):23262-23273. doi: 10.1364/OE.27.023262

Schwarz R, Dörscher S, Al-Masoudi A, Vogt S, Li Y, Lisdat C. A compact and robust cooling laser system for an optical strontium lattice clock. Review of scientific instruments. 2019 Feb 25;90(2):023109. doi: 10.1063/1.5063552

Dörscher S, Schwarz R, Al-Masoudi A, Falke S, Sterr U, Lisdat C. Lattice-induced photon scattering in an optical lattice clock. Physical Review A. 2018 Jun 25;97(6):063419. doi: 10.1103/PhysRevA.97.063419

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