papers
Publications (19)
physics.atom-ph2014
Improved limit on a temporal variation of $m_p/m_e$ from comparisons of Yb$^+$ and Cs atomic clocks
N. Huntemann, B. Lipphardt, Chr. Tamm +3
physics.atom-ph2009
Interrogation of caesium atoms in a fountain clock by a femtosecond laser microwave oscillator
S. Weyers, B. Lipphardt, H. Schnatz
physics.atom-ph2015
Phase Analysis for Frequency Standards in the Microwave and Optical Domains
M. Kazda, V. Gerginov, N. Huntemann +2
physics.atom-ph2017
First international comparison of fountain primary frequency standards via a long distance optical fiber link
J. Guéna, S. Weyers, M. Abgrall +25
physics.optics2009
Optical frequency transfer via 146 km fiber link with 10^{-19} relative accuracy
G. Grosche, O. Terra, K. Predehl +5
physics.atom-ph2012
A generalized Ramsey excitation scheme with suppressed light shift
N. Huntemann, B. Lipphardt, M. Okhapkin +4
physics.atom-ph2006
Laboratory Limits on Temporal Variations of Fundamental Constants: An Update
E. Peik, B. Lipphardt, H. Schnatz +3
physics.atom-ph2005
Frequency comparisons and absolute frequency measurements of 171Yb+ single-ion optical frequency standards
E. Peik, B. Lipphardt, H. Schnatz +3
physics.atom-ph2015
Frequency comparison of ${}^{171}$Yb${}^+$ ion optical clocks at PTB and NPL via GPS PPP
J. Leute, N. Huntemann, B. Lipphardt +11
physics.atom-ph2018
Advances in the accuracy, stability, and reliability of the PTB primary fountain clocks
S. Weyers, V. Gerginov, M. Kazda +4
physics.atom-ph2004
New limit on the present temporal variation of the fine structure constant
E. Peik, B. Lipphardt, H. Schnatz +3
physics.atom-ph2012
High-accuracy optical clock based on the octupole transition in 171Yb+
N. Huntemann, M. Okhapkin, B. Lipphardt +3
physics.optics2016
Realization of a time-scale with an accurate optical lattice clock
C. Grebing, A. Al-Masoudi, S. Dörscher +7
physics.atm-clus2016
Single-Ion Atomic Clock with $3\times10^{-18}$ Systematic Uncertainty
N. Huntemann, C. Sanner, B. Lipphardt +2
physics.atom-ph2014
Direct comparison of optical lattice clocks with an intercontinental baseline of 9 000 km
H. Hachisu, M. Fujieda, S. Nagano +9
physics.atom-ph2013
A Cs-Based Optical Frequency Measurement Using Cross-Linked Optical and Microwave Oscillators
Chr. Tamm, N. Huntemann, B. Lipphardt +5
physics.atom-ph2011
The 87-Sr optical frequency standard at PTB
St. Falke, H. Schnatz, J. S. R. Vellore Winfred +8
physics.atom-ph2008
The stability of an optical clock laser transferred to the interrogation oscillator for a Cs fountain
B. Lipphardt, G. Grosche, U. Sterr +3
physics.optics2008
Measurement noise floor for a long-distance optical carrier transmission via fiber
G. Grosche, O. Terra, K. Predehl +6