BL
B. Lipphardt
physics.atom-phphysics.opticsquant-phphysics.ins-dethep-phphysics.gen-phastro-ph.COgr-qcOptical Fibersphysics.atm-clus
On Valency
published · living versionsW_xzhemjv5·v1 · currentpublished
International atomic clock comparison achieving uncertainty
with A. Tofful, M. Filzinger, T. Schmidt, A. Amy-Klein +24
1 version
Preprints & journals
37 papers in the corpus · 1996–2026International Optical Clock Comparison Using the European Optical Fiber Network2604.27963v2 · Marco Pizzocaro, Clara Zyskind, Anne Amy-Klein et al.2026 · 1 citationPhys. Rev. Research 8, 033250 (2026)
Coordinated international comparisons between optical clocks connected via fiber and satellite links2505.06763v1 · Thomas Lindvall, Marco Pizzocaro, Rachel M. Godun et al.2025 · 17 citationsOptica 12, 843 (2025)
^115In^+-^172Yb^+ Coulomb Crystal Clock with 2.5×10^-18 Systematic Uncertainty.39913824 · Hausser, H N, Keller, J, Nordmann, T et al.2025 · 42 citationsPhysical review letters. 2025;134(2):023201
High-accuracy multi-ion spectroscopy with mixed-species Coulomb crystals2501.09615v1 · J. Keller, H. N. Hausser, I. M. Richter et al.2025 · 1 citationJ. Phys.: Conf. Ser. 2889, 012050 (2024)
Continuous optical generation of microwave signals for fountain clocks.37855470 · Lipphardt, Burghard, Walkemeyer, Patrick, Kazda, Michael et al.2023 · 4 citationsApplied optics. 2023;62(29):7628-7632
Evaluation of a ^88Sr^+ Optical Clock with a Direct Measurement of the Blackbody Radiation Shift and Determination of the Clock Frequency.37683165 · Steinel, M, Shao, H, Filzinger, M et al.2023 · 29 citationsPhysical review letters. 2023;131(8):083002
Improved Limits for Violations of Local Position Invariance from Atomic Clock Comparisons.33480794 · Lange, R, Huntemann, N, Rahm, J M et al.2021 · 200 citationsPhysical review letters. 2021;126(1):011102
Coherent Suppression of Tensor Frequency Shifts through Magnetic Field Rotation.33064511 · Lange, R, Huntemann, N, Sanner, C et al.2020 · 18 citationsPhysical review letters. 2020;125(14):143201
Optical frequency ratio of a single-ion clock and a lattice clock2009.05470v1 · Soren Dorscher, Nils Huntemann, Roman Schwarz et al.2020 · 55 citationsarXiv
End-to-end topology for fiber comb based optical frequency transfer at the 10-21 level: erratum.32403534 · Benkler, Erik, Lipphardt, Burghard, Puppe, Thomas et al.2020 · 6 citationsOptics express. 2020;28(10):15023-15024
Direct comparisons of European primary and secondary frequency standards via satellite techniques1910.06736v1 · F. Riedel, A. Al-Masoudi, E. Benkler et al.2019 · 38 citationsarXiv
Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks1907.02661v2 · B. M. Roberts, P. Delva, A. Al-Masoudi et al.2019 · 113 citationsNew J. Phys. 22, 093010 (2020)
Advances in the accuracy, stability, and reliability of the PTB primary fountain clocks1809.03362v1 · S. Weyers, V. Gerginov, M. Kazda et al.2018 · 142 citationsMetrologia 55, 789 (2018)
First international comparison of fountain primary frequency standards via a long distance optical fiber link1703.02892v2 · J. Gu'ena, S. Weyers, M. Abgrall et al.2017 · 83 citationsMetrologia 54 (2017) 348
Optical Stabilization of a Microwave Oscillator for Fountain Clock Interrogation.28103194 · Lipphardt, Burghard, Gerginov, Vladislav, Weyers, Stefan2018 · 37 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2017;64(4):761-766
Single-Ion Atomic Clock with 3×10(-18) Systematic Uncertainty.26918984 · Huntemann, N, Sanner, C, Lipphardt, B et al.2016 · 675 citationsPhysical review letters. 2016;116(6):063001
Frequency Comparison of [Formula: see text] Ion Optical Clocks at PTB and NPL via GPS PPP.26863657 · Leute, J, Huntemann, N, Lipphardt, B et al.2017 · 29 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2016;63(7):981-5
Phase Analysis for Frequency Standards in the Microwave and Optical Domains.26761607 · Kazda, Michael, Gerginov, Vladislav, Huntemann, Nils et al.2017 · 17 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2016;63(7):970-4
Frequency comparison of Yb ion optical clocks at PTB and NPL via GPS PPP1507.04754v1 · J. Leute, N. Huntemann, B. Lipphardt et al.2015 · 4 citationsarXiv
Improved limit on a temporal variation of mp/me from comparisons of Yb+ and Cs atomic clocks.25479483 · Huntemann, N, Lipphardt, B, Tamm, Chr et al.2015 · 366 citationsPhysical review letters. 2014;113(21):210802
Direct comparison of optical lattice clocks with an intercontinental baseline of 9000 km.25121654 · Hachisu, H, Fujieda, M, Nagano, S et al.2015 · 53 citationsOptics letters. 2014;39(14):4072-5
A Cs-Based Optical Frequency Measurement Using Cross-Linked Optical and Microwave Oscillators1310.8190v1 · Chr. Tamm, N. Huntemann, B. Lipphardt et al.2013 · 72 citationsPhys. Rev. A 89, 023820 (2014)
Generalized Ramsey excitation scheme with suppressed light shift.23215592 · Huntemann, N, Lipphardt, B, Okhapkin, M et al.2013 · 112 citationsPhysical review letters. 2012;109(21):213002
High-accuracy optical clock based on the octupole transition in 171Yb+.22463621 · Huntemann, N, Okhapkin, M, Lipphardt, B et al.2012 · 241 citationsPhysical review letters. 2012;108(9):090801
Long-distance remote comparison of ultrastable optical frequencies with 10(-15) instability in fractions of a second.20941043 · Pape, A, Terra, O, Friebe, J et al.2011 · 27 citationsOptics express. 2010;18(20):21477-83
Phase-coherent frequency comparison of optical clocks using a telecommunication fiber link.20040443 · Schnatz, Harald, Terra, Osama, Predehl, Katharina et al.2010 · 19 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2010;57(1):175-81
Optical frequency transfer via 146 km fiber link with 10 -19 relative accuracy.19649067 · Grosche, G, Terra, O, Predehl, K et al.2009 · 161 citationsOptics letters. 2009;34(15):2270-2
Phase- coherent comparison of two optical frequency standards over 146 km using a telecommunication fiber link0906.3476v1 · Osama Terra, Gesine Grosche, Katharina Predehl et al.2009 · 61 citationsarXiv
Interrogation of caesium atoms in a fountain clock by a femtosecond laser microwave oscillator0901.2788v1 · S. Weyers, B. Lipphardt, H. Schnatz2009 · 86 citationsPhys. Rev. A 79, 031803(R) (2009)
Optical frequency synthesis and measurement using fibre-based femtosecond lasers0809.3409v1 · Gesine Grosche, Burghard Lipphardt, Harald Schnatz2008 · 21 citationsEur. Phys. J. D 48, 27-33 (2008)
The stability of an optical clock laser transferred to the interrogation oscillator for a Cs fountain0809.2150v1 · B. Lipphardt, G. Grosche, U. Sterr et al.2008 · 54 citationsarXiv
Absolute frequency measurement of the magnesium intercombination transition 0711.4926v1 · Jan Friebe, Andr'e Pape, Matthias Riedmann et al.2007 · 37 citationsPhys. Rev. A 78, 033830 (2008)
Laboratory Limits on Temporal Variations of Fundamental Constants: An Updatephysics/0611088v1 · E. Peik, B. Lipphardt, H. Schnatz et al.2006 · 11 citationsarXiv
Long term comparison of two fiber based frequency comb systems.19494952 · Kubina, Philipp, Adel, Peter, Adler, Florian et al.2012 · 119 citationsOptics express. 2005;13(3):904-9
Phase-locked two-branch erbium-doped fiber laser system for long-term precision measurements of optical frequencies.19488226 · Adler, Florian, Moutzouris, Konstantinos, Leitenstorfer, Alfred et al.2012 · 133 citationsOptics express. 2004;12(24):5872-80
Limit on the present temporal variation of the fine structure constant.15525061 · Peik, E, Lipphardt, B, Schnatz, H et al.2004 · 282 citationsPhysical review letters. 2004;93(17):170801
First phase-coherent frequency measurement of visible radiation.10060423 · Schnatz, Lipphardt, Helmcke et al.2019 · 246 citationsPhysical review letters. 1996;76(1):18-21
Career total: 129 works. 37 are in this corpus.
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