| Single-atom optical clock with high accuracy WH Oskay, SA Diddams, EA Donley, TM Fortier, TP Heavner, L Hollberg, ... Physical review letters 97 (2), 020801, 2006 | 432 | 2006 |
| Testing the Stability of Fundamental Constants with the Single-Ion Optical Clock S Bize, SA Diddams, U Tanaka, CE Tanner, WH Oskay, RE Drullinger, ... Physical Review Letters 90 (15), 150802, 2003 | 376 | 2003 |
| Spin- Optical Lattice Clock ND Lemke, AD Ludlow, ZW Barber, TM Fortier, SA Diddams, Y Jiang, ... Physical Review Letters 103 (6), 063001, 2009 | 363 | 2009 |
| Precision atomic spectroscopy for improved limits on variation of the fine structure constant and local position invariance TM Fortier, N Ashby, JC Bergquist, MJ Delaney, SA Diddams, TP Heavner, ... Physical Review Letters 98 (7), 070801, 2007 | 323 | 2007 |
| Accuracy evaluation of NIST-F1 SR Jefferts, J Shirley, TE Parker, TP Heavner, DM Meekhof, C Nelson, ... Metrologia 39 (4), 321, 2002 | 283 | 2002 |
| First accuracy evaluation of NIST-F2 TP Heavner, EA Donley, F Levi, G Costanzo, TE Parker, JH Shirley, ... Metrologia 51 (3), 174, 2014 | 280 | 2014 |
| Comparison between frequency standards in Europe and the USA at the 10− 15 uncertainty level A Bauch, J Achkar, S Bize, D Calonico, R Dach, R Hlavać, L Lorini, ... Metrologia 43 (1), 109, 2005 | 272 | 2005 |
| NIST-F1: recent improvements and accuracy evaluations TP Heavner, SR Jefferts, EA Donley, JH Shirley, TE Parker Metrologia 42 (5), 411, 2005 | 272 | 2005 |
| The absolute frequency of the 87Sr optical clock transition GK Campbell, AD Ludlow, S Blatt, JW Thomsen, MJ Martin, ... Metrologia 45 (5), 539, 2008 | 228 | 2008 |
| Frequency ratio measurements at 18-digit accuracy using an optical clock network Nature 591 (7851), 564-569, 2021 | 215 | 2021 |
| Precision surface-acoustic-wave (SAW) oscillators TE Parker, GK Montress IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 35 …, 1988 | 193 | 1988 |
| Characteristics and sources of phase noise in stable oscillators TE Parker 41st annual symposium on frequency control, 99-110, 1987 | 167 | 1987 |
| Temperature‐compensated surface‐acoustic‐wave devices with SiO2 film overlays TE Parker, H Wichansky Journal of Applied Physics 50 (3), 1360-1369, 1979 | 136 | 1979 |
| Testing local position invariance with four cesium-fountain primary frequency standards and four NIST hydrogen masers N Ashby, TP Heavner, SR Jefferts, TE Parker, AG Radnaev, YO Dudin Physical Review Letters 98 (7), 070802, 2007 | 129 | 2007 |
| Frequency evaluation of the doubly forbidden transition in bosonic N Poli, ZW Barber, ND Lemke, CW Oates, LS Ma, JE Stalnaker, TM Fortier, ... Physical Review A 77 (5), 050501, 2008 | 127 | 2008 |
| Towards the optical second: verifying optical clocks at the SI limit WF McGrew, X Zhang, H Leopardi, RJ Fasano, D Nicolodi, K Beloy, J Yao, ... Optica 6 (4), 448-454, 2019 | 125 | 2019 |
| Long-term comparison of caesium fountain primary frequency standards TE Parker Metrologia 47 (1), 1, 2009 | 103 | 2009 |
| Assessment of GPS carrier-phase stability for time-transfer applications KM Larson, J Levine, LM Nelson, TE Parker IEEE transactions on ultrasonics, ferroelectrics, and frequency control 47 …, 2000 | 95 | 2000 |
| Optical-to-microwave frequency comparison with fractional uncertainty of 10-15 JE Stalnaker, SA Diddams, TM Fortier, K Kim, L Hollberg, JC Bergquist, ... Applied Physics B 89, 167-176, 2007 | 80 | 2007 |
| Time and frequency dissemination: Advances in GPS transfer techniques TE Parker, D Matsakis Thomas E. Parker, Demetrios Matsakis, 2004 | 80 | 2004 |
Scott DiddamsProfessor of ECEE and Physics, University of Colorado BoulderVerified email at colorado.edu
