Atomic clock performance enabling geodesy below the centimetre level
McGrew, W. F., Zhang, X., Fasano, R. J., Schäffer, S. A., Beloy, K., Nicolodi, D., Brown, R. C., Hinkley, N., Milani, G., Schioppo, M., Yoon, T. H., Ludlow, A. D.
Published in Nature (London) (01.12.2018)
Published in Nature (London) (01.12.2018)
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Journal Article
Hyperpolarizability and Operational Magic Wavelength in an Optical Lattice Clock
Brown, R C, Phillips, N B, Beloy, K, McGrew, W F, Schioppo, M, Fasano, R J, Milani, G, Zhang, X, Hinkley, N, Leopardi, H, Yoon, T H, Nicolodi, D, Fortier, T M, Ludlow, A D
Published in Physical review letters (19.12.2017)
Published in Physical review letters (19.12.2017)
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Journal Article
Faraday-Shielded dc Stark-Shift-Free Optical Lattice Clock
Beloy, K, Zhang, X, McGrew, W F, Hinkley, N, Yoon, T H, Nicolodi, D, Fasano, R J, Schäffer, S A, Brown, R C, Ludlow, A D
Published in Physical review letters (04.05.2018)
Published in Physical review letters (04.05.2018)
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Journal Article
Ultrastable optical clock with two cold-atom ensembles
Schioppo, M., Brown, R. C., McGrew, W. F., Hinkley, N., Fasano, R. J., Beloy, K., Yoon, T. H., Milani, G., Nicolodi, D., Sherman, J. A., Phillips, N. B., Oates, C. W., Ludlow, A. D.
Published in Nature photonics (01.01.2017)
Published in Nature photonics (01.01.2017)
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Journal Article
Towards the optical second: verifying optical clocks at the SI limit
McGrew, W. F., Zhang, X., Leopardi, H., Fasano, R. J., Nicolodi, D., Beloy, K., Yao, J., Sherman, J. A., Schäffer, S. A., Savory, J., Brown, R. C., Römisch, S., Oates, C. W., Parker, T. E., Fortier, T. M., Ludlow, A. D.
Published in Optica (20.04.2019)
Published in Optica (20.04.2019)
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Journal Article
Excited-Band Coherent Delocalization for Improved Optical Lattice Clock Performance
Siegel, J L, McGrew, W F, Hassan, Y S, Chen, C-C, Beloy, K, Grogan, T, Zhang, X, Ludlow, A D
Published in Physical review letters (29.03.2024)
Published in Physical review letters (29.03.2024)
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Journal Article
Sub-recoil clock-transition laser cooling enabling shallow optical lattice clocks
Zhang, X, Beloy, K, Hassan, Y S, McGrew, W F, C-C, Chen, Siegel, J L, Grogan, T, Ludlow, A D
Published in arXiv.org (18.06.2022)
Published in arXiv.org (18.06.2022)
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Paper
Journal Article
Modeling motional energy spectra and lattice light shifts in optical lattice clocks
Beloy, K, McGrew, W F, Zhang, X, Nicolodi, D, Fasano, R J, Hassan, Y S, Brown, R C, Ludlow, A D
Published in arXiv.org (13.04.2020)
Published in arXiv.org (13.04.2020)
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Journal Article
Atomic clock performance beyond the geodetic limit
McGrew, W F, Zhang, X, Fasano, R J, Schäffer, S A, Beloy, K, Nicolodi, D, Brown, R C, Hinkley, N, Milani, G, Schioppo, M, Yoon, T H, Ludlow, A D
Published in arXiv.org (30.07.2018)
Published in arXiv.org (30.07.2018)
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Journal Article
Measurements of \(^{27}\)Al\(^{+}\) and \(^{25}\)Mg\(^{+}\) magnetic constants for improved ion clock accuracy
Brewer, S M, J -S Chen, Beloy, K, Hankin, A M, Clements, E R, Chou, C W, McGrew, W F, Zhang, X, Fasano, R J, Nicolodi, D, Leopardi, H, tier, T M, Diddams, S A, Ludlow, A D, Wineland, D J, Leibrandt, D R, Hume, D B
Published in arXiv.org (22.05.2019)
Published in arXiv.org (22.05.2019)
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Journal Article
Faraday-shielded, DC Stark-free optical lattice clock
Beloy, K, Zhang, X, McGrew, W F, Hinkley, N, Yoon, T H, Nicolodi, D, Fasano, R J, Schäffer, S A, Brown, R C, Ludlow, A D
Published in arXiv.org (28.03.2018)
Published in arXiv.org (28.03.2018)
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Journal Article
Hyperpolarizability and operational magic wavelength in an optical lattice clock
Brown, R C, Phillips, N B, Beloy, K, McGrew, W F, Schioppo, M, Fasano, R J, Milani, G, Zhang, X, Hinkley, N, Leopardi, H, Yoon, T H, Nicolodi, D, tier, T M, Ludlow, A D
Published in arXiv.org (25.10.2017)
Published in arXiv.org (25.10.2017)
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Journal Article
Ultra-stable optical clock with two cold-atom ensembles
Schioppo, M, Brown, R C, McGrew, W F, Hinkley, N, Fasano, R J, Beloy, K, Yoon, T H, Milani, G, Nicolodi, D, Sherman, J A, Phillips, N B, Oates, C W, Ludlow, A D
Published in arXiv.org (23.07.2016)
Published in arXiv.org (23.07.2016)
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Journal Article
Optical Frequency Measurements at 1×10−18 Uncertainty with Ytterbium Optical Lattice Clocks
Ludlow, A. D., McGrew, W.F., Zhang, X., Nicolodi, D., Fasano, R. J., Schaffer, S. A., Brown, R. C., Fox, R. W., Hinkley, N., Yoon, T. H., Beloy, K.
Published in 2018 Conference on Precision Electromagnetic Measurements (CPEM 2018) (01.07.2018)
Published in 2018 Conference on Precision Electromagnetic Measurements (CPEM 2018) (01.07.2018)
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Conference Proceeding
Characterization and suppression of background light shifts in an optical lattice clock
Fasano, R. J, Chen, Y. J, McGrew, W. F, Brand, W. J, Fox, R. W, Ludlow, A. D
Year of Publication 22.03.2021
Year of Publication 22.03.2021
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Journal Article
Differential Spectroscopy of Atomic Clocks for Improved Measurement Instability
Nardelli, N. V., Zhang, X., Clements, E. R., Kim, M., Hassan, Y. S., McGrew, W. F., Beloy, K., Ludlow, A., Leibrandt, D. R., Hume, D. H., Fortier, T. M.
Published in 2021 Conference on Lasers and Electro-Optics (CLEO) (01.05.2021)
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Published in 2021 Conference on Lasers and Electro-Optics (CLEO) (01.05.2021)
Conference Proceeding
A Cryogenic High-Finesse Optical Cavity to Improve the Stability of Yb Optical Lattice Clocks
Nicolodi, D., McGrew, W. F., Fasano, R. J., Zhang, X., Schioppo, M., Beloy, K., Ludlow, A. D.
Published in 2018 IEEE International Frequency Control Symposium (IFCS) (01.05.2018)
Published in 2018 IEEE International Frequency Control Symposium (IFCS) (01.05.2018)
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Conference Proceeding
Characterization and suppression of background light shifts in an optical lattice clock
Fasano, R J, Chen, Y J, McGrew, W F, Brand, W J, Fox, R W, Ludlow, A D
Published in arXiv.org (22.03.2021)
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Published in arXiv.org (22.03.2021)
Paper
Towards Adoption of an Optical Second: Verifying Optical Clocks at the SI Limit
McGrew, W. F, Zhang, X, Leopardi, H, Fasano, R. J, Nicolodi, D, Beloy, K, Yao, J, Sherman, J. A, Schäffer, S. A, Savory, J, Brown, R. C, Römisch, S, Oates, C. W, Parker, T. E, Fortier, T. M, Ludlow, A. D
Year of Publication 14.11.2018
Year of Publication 14.11.2018
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Journal Article
10−18 Optical Atomic Clock Comparisons within the Boulder Atomic Clock Network
Nardelli, N. V., Beloy, K., Bodine, M. I., Bothwell, T., Brewer, S., Bromley, S., Chen, J., Clements, E., Deschenes, J. D., Diddams, S. A., Fasano, R., Fortier, T. M., Hassan, Y., Hume, D. H., Kedar, D., Kennedy, C. J., Khader, I., Kim, M. E., Koepke, A., Leibrandt, D. R., Leopardi, H., Ludlow, A., McGrew, W. F., Milner, W., Newbury, N., Nicolodi, D., Oelker, E., Parker, T., Robinson, J. M., Schaffer, S. A., Sherman, J. A., Sinclair, L. C., Sonderhouse, L., Swann, W. C., Wineland, D. J., Yao, J., Ye, J., Zhang, X.
Published in 2020 Conference on Lasers and Electro-Optics (CLEO) (01.05.2020)
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Published in 2020 Conference on Lasers and Electro-Optics (CLEO) (01.05.2020)
Conference Proceeding