selected publications
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conference proceeding
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Time and frequency metrology at PTB: recent results.
Proceedings of SPIE.
2011
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Uncooled, Millimeter-Scale Atomic Magnetometers with Femtotesla Sensitivity.
1844-+.
2009
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A microfabricated photonic magnetometer.
1180-+.
2009
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Advances in chip-scale atomic frequency references at NIST.
Proceedings of SPIE.
2007
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Direct two-photon resonant excitation and absolute frequency measurement of cesium transitions using a femtosecond comb.
147-+.
2007
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Self-injection locking of a microwave oscillator by use of four-wave mixing in an atomic vapor.
275-+.
2007
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Long-term stability of the NIST chip-scale atomic clock physics packages.
Proceedings of SPIE.
2007
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Component-level demonstration of a microfabricated atomic frequency reference.
758-766.
2005
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Microfabricated atomic clocks and magnetometers.
Journal of Optics.
S318-S322.
2005
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Microfabricated atomic clocks and magnetometers.
193-194.
2005
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Microfabricated atomic clocks and magnetometers.
337-345.
2005
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High precision frequency measurements in thermal Cs-133 cell.
Proceedings of SPIE.
166-170.
2000
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Fine-structure mixing collisions of Rb(5(2)D) excited in a two-photon transition using external cavity cw diode laser.
Proceedings of SPIE.
200-204.
1998
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The influence of Ne isotopes on the single mode operation of He-Ne and He-Ne/I-2 lasers.
IEEE Transactions on Instrumentation and Measurement.
149-152.
1996
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Time and frequency metrology at PTB: recent results.
Proceedings of SPIE.
2011
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journal article
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Advances in the accuracy, stability, and reliability of the PTB primary fountain clocks.
Metrologia.
789-805.
2018
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Two-photon Optical Frequency Reference with Active ac Stark Shift Cancellation.
Physical Review Applied.
2018
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Prospects for magnetic field communications and location using quantum sensors.
Review of Scientific Instruments.
2017
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Pulsed operation of a miniature scalar optically pumped magnetometer.
Journal of the Optical Society of America B.
1429-1434.
2017
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First international comparison of fountain primary frequency standards via a long distance optical fiber link.
Metrologia.
348-354.
2017
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Optical Stabilization of a Microwave Oscillator for Fountain Clock Interrogation.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.
761-766.
2017
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Suppression of Microwave Leakage Shifts in Fountain Clocks by Frequency Detuning.
IEEE Transactions on Instrumentation and Measurement.
2389-2393.
2016
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Phase Analysis for Frequency Standards in the Microwave and Optical Domains.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.
970-974.
2016
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Realization of a timescale with an accurate optical lattice clock.
Optica.
563-569.
2016
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Loading a fountain clock with an enhanced low-velocity intense source of atoms.
Physical Review A.
2016
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Improved Limit on a Temporal Variation of m(p)/m(e) from Comparisons of Yb+ and Cs Atomic Clocks.
Physical Review Letters.
2014
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Initial atomic coherences and Ramsey frequency pulling in fountain clocks.
Physical Review A.
2014
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A strontium lattice clock with 3 x 10(-17) inaccuracy and its frequency.
New Journal of Physics.
2014
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Cs-based optical frequency measurement using cross-linked optical and microwave oscillators.
Physical Review A.
2014
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Investigation of Rapid Adiabatic Passage for Controlling Collisional Frequency Shifts in a Caesium Fountain Clock.
IEEE Transactions on Instrumentation and Measurement.
2812-2819.
2013
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Atomic trajectory characterization in a fountain clock based on the spectrum of a hyperfine transition.
Metrologia.
468-478.
2012
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Distributed cavity phase frequency shifts of the caesium fountain PTB-CSF2.
Metrologia.
82-87.
2012
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Femtosecond frequency comb measurement of absolute frequencies and hyperfine coupling constants in cesium vapor.
Physical Review A.
2010
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Uncertainty evaluation of the caesium fountain clock PTB-CSF2.
Metrologia.
65-79.
2010
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Observation of the nuclear magnetic octupole moment of 87 Rb from spectroscopic measurements of hyperfine intervals.
Canadian Journal of Physics.
101-104.
2009
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Laser noise cancellation in single-cell CPT clocks.
IEEE Transactions on Instrumentation and Measurement.
1357-1361.
2008
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Direct frequency comb spectroscopy.
Advances in Atomic Molecular and Optical Physics.
1-60.
2008
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Wafer-level filling of microfabricated atomic vapor cells based on thin-film deposition and photolysis of cesium azide.
Applied Physics Letters.
2007
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Continuous light-shift correction in modulated coherent population trapping clocks.
Applied Physics Letters.
2006
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Compact phase delay technique for increasing the amplitude of coherent population trapping resonances in open Λ systems.
Optics Letters.
2335-2335.
2006
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Atomic-based stabilization for laser-pumped atomic clocks.
Optics Letters.
1851-1853.
2006
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Long-term frequency instability of atomic frequency references based on coherent population trapping and microfabricated vapor cells.
Journal of the Optical Society of America B.
593-597.
2006
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Optical frequency measurements of 6s S-2(1/2)-6p P-2(1/2) (D-1) transitions in Cs-133 and their impact on the fine-structure constant.
Physical Review A.
2006
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Atomic vapor cells for chip-scale atomic clocks with improved long-term frequency stability.
Optics Letters.
2351-2353.
2005
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High-resolution spectroscopy with a femtosecond laser frequency comb.
Optics Letters.
1734-1736.
2005
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Microfabricated atomic frequency references.
Metrologia.
S100-S104.
2005
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Optical frequency measurements of 6s S-2(1/2)-6p P-2(3/2) transition in a Cs-133 atomic beam using a femtosecond laser frequency comb.
Physical Review A.
2004
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Observation of the nuclear magnetic octupole moment of Cs-133.
Physical Review Letters.
2003
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Fluorescence of a highly collimated atomic cesium beam: theory and experiment.
Optics Communications.
17-28.
2003
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Heterodyne frequency calibration of high resolution cesium spectra using diode lasers.
Optics Communications.
391-399.
2003
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Construction of fiber-optic bundle light-collection systems and calculations of collection efficiency.
Optics Communications.
233-243.
2002
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Diode lasers for fast-beam laser experiments.
Optics Communications.
219-230.
2001
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Frequency tunable monomode diode laser at 670 nm for high resolution spectroscopy.
Optics Communications.
162-169.
1998
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Frequency tuning peculiarities of enhanced power monomode He-Ne lasers.
Optical and Quantum Electronics.
395-403.
1996
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Advances in the accuracy, stability, and reliability of the PTB primary fountain clocks.
Metrologia.
789-805.
2018