Murray Barrett
Principal Investigator
Centre for Quantum TechnologiesAssociate Professor
Department of Physics, Faculty of Science, National University of Singapore
S15-01-11
Preprints
- K. J. Arnold, R.Kaewuam, S.R. Chanu, T.R. Tan, Z.Zhang, M.D. Barrett. Precision measurements on the $^{138}$Ba$^+$ $6s^2S_{1/2}-5d^2D_{5/2}$ clock transition.
Publications
- Z.Zhang, K. J. Arnold, R.Kaewuam, M.D. Barrett. (2023). 176Lu+ clock comparison at the 10-18 level via correlation spectroscopy. Science Advances 9
- K. J. Arnold, R.Kaewuam, S.R. Chanu, T.R. Tan, Z.Zhang, M.D. Barrett. (2020). Precision measurements on the $^{138}$Ba$^+$ $6s^2S_{1/2}-5d^2D_{5/2}$ clock transition. Phys. Rev. Lett. 124 193001
- R.Kaewuam, T. R. Tan, Z.Zhang, K. J. Arnold, M. S. Safronova, M.D. Barrett. (2020). Precision measurement of the 3D1 and 3D2 quadrupole moments in Lu+. Phys. Rev. A 102 042819
- Z.Zhang, K. J. Arnold, R.Kaewuam, M. S. Safronova, M.D. Barrett. (2020). Hyperfine-mediated effects in a Lu+ optical clock. Phys. Rev. A 102 052834
- R.Kaewuam, T.R. Tan, K. J. Arnold, S.R. Chanu, Z.Zhang, M.D. Barrett. (2020). Hyperfine averaging by dynamic decoupling in a multi-ion lutetium clock. Phys. Rev. Lett. 124 083202
- S.R. Chanu, V. P. W. Koh, K. J. Arnold, R.Kaewuam, T.R. Tan, Z.Zhang, M. S. Safronova, M.D. Barrett. (2020). Magic wavelength of the 138 Ba + 6 s 2 S 1 / 2 – 5 d 2 D 5 / 2 clock transition. Phys. Rev. A 101 042507
- K. J. Arnold, R.Kaewuam, S.R. Chanu, T.R. Tan, Z.Zhang, M.D. Barrett. (2020). Precision Measurements of the 138 Ba + 6 s 2 S 1 / 2 − 5 d 2 D 5 / 2 Clock Transition. Phys. Rev. Lett. 124 193001
- Z.Zhang, K. J. Arnold, S.R. Chanu, R.Kaewuam, M. S. Safronova, M.D. Barrett. (2020). Branching fractions for P 3/2 decays in Ba +. Phys. Rev. A 101 062515
- K. J. Arnold, M.D. Barrett, M. S. Safronova. (2019). Polarizability assessments of ion-based optical clocks. Phys. Rev. A 100 043418
- T.R. Tan, R.Kaewuam, K. J. Arnold, S.R. Chanu, Z.Zhang, M. S. Safronova, M.D. Barrett. (2019). Suppressing inhomogeneous broadening in a lutetium multi-ion optical clock. Phys. Rev. Lett. 123 063201
- R.Kaewuam, T.R. Tan, K. J. Arnold, M.D. Barrett. (2019). Spectroscopy of the 1 S 0 − 1 D 2 clock transition in 176 Lu +. Phys. Rev. A 99 022514
- K. J. Arnold, R.Kaewuam, T.R. Tan, M.D. Barrett. (2019). Oscillating quadrupole effects in high precision metrology. Phys. Rev. A 99 022515
- K. J. Arnold, R.Kaewuam, T.R. Tan, S. G. Porsev, M. S. Safronova, M.D. Barrett. (2019). Dynamic polarizability measurements with 176Lu+. Phys. Rev. A 99 012510
- J Gan, G. Maslennikov, K. W. Tseng, T.R. Tan, R.Kaewuam, K. J. Arnold, D. Matsukevich, M.D. Barrett. (2018). Oscillating magnetic field effects in high precision metrology. Phys. Rev. A 98 032514
- Z.Zhang, Chern Hui Lee, Ravi Kumar, K. J. Arnold, Stuart J. Masson, A. L. Grimsmo, A. S. Parkins, M.D. Barrett. (2018). Dicke model simulation via cavity-assisted Raman transitions. Phys. Rev. A 97 043858
- K. J. Arnold, R.Kaewuam, A. Roy, T.R. Tan, M.D. Barrett. (2018). Blackbody radiation shift assessment for a lutetium ion clock. Nature Communications 9 1650
- Stuart J. Masson, M.D. Barrett, Scott Parkins. (2017). Cavity QED Engineering of Spin Dynamics and Squeezing in a Spinor Gas. Phys. Rev. Lett. 213601
- R.Kaewuam, A. Roy, T.R. Tan, K. J. Arnold, M.D. Barrett. (2017). Laser Spectroscopy of 176 Lu +. J. Mod. Opt. 65 592-601
- Z.Zhang, Churn Hui Lee, K.Ravi, K. J. Arnold, Stuart J. Masson, Scott A. Parkins, M.D. Barrett. (2017). Nonequilibrium phase transition in a spin-1 Dicke model. Optica 424-429
- K. J. Arnold, A. Roy, E.J.P. Barrios, S.Wang, M.D. Barrett. (2016). Observation of the 1 S 0 to 3 D 1 clock transition in 175 Lu+. Phys. Rev. A 052512
- K. J. Arnold, M.D. Barrett. (2016). Suppression of Clock Shifts at Magnetic Field Insensitive Points. Phys. Rev. Lett. 160801
- E.J.P. Barrios, K. J. Arnold, Elnur Hajiyev, S. G. Porsev, V. A. Dzuba, U. I. Safranova, M. S. Safranova, M.D. Barrett. (2016). Atomic properties of Lu+. Phys. Rev. A 93 042112
- T.Nicholson, S.L. Campbell, R.B. Hutson, G.E. Marti, B.J. Bloom, R.L. McNally, W. Zhang, M.D. Barrett, M.S. Safronova, G.F. Strouse, W.L. Tew, J. Ye. (2015). Systematic evaluation of an atomic clock at 2e-18 total uncertainty. Nature Communications 6 6896
- K. J. Arnold, Hajiyev, Elnur, Paez, Eduardo, Lee, Chern Hui, M.D. Barrett, Bollinger, John. (2015). Prospects for atomic clocks based on large ion crystals. Phys. Rev. A 92 32108
- Nicholson, T. L., Campbell, S. L., Hutson, R. B., Marti, G. E., Bloom, B. J., McNally, R. L., Zhang, W., M.D. Barrett, Safronova, M. S., Strouse, G. F., Tew, W. L., Ye, J.. (2015). Systematic evaluation of an atomic clock at 2 x 10 (-18) total uncertainty. Nature Communications 6 6896
- T. L. Nicholson, S. L. Campbell, R. B. Hutson, G. E. Marti, B. J. Bloom, R. L. McNally, W. Zhang, M.D. Barrett, M. S. Safronova, G. F. Strouse, W. L. Tew, J. Ye. (2015). Systematic evaluation of an atomic clock at 2e-18 total uncertainty. Nature Communications 6 6896
- M.D. Barrett. (2015). Developing a field independent frequency reference.. New J. Phys. 17 053024
- M.P. Baden, K. J. Arnold, Arne L. Grimsmo, Scott Parkins, M.D. Barrett. (2014). Realization of the Dicke model using cavity-assisted Raman transitions. Phys. Rev. Lett. 020408
- N.C. Lewty, B.L. Chuah, R. Cazan, M.D. Barrett, B. K. Sahoo. (2013). Experimental determination of the nuclear magnetic octupole moment of $^{137}$Ba$^+$ ion. Phys. Rev. A 012518
- B. K. Sahoo, M.D. Barrett, B. P. Das. (2013). Reliability test for the experimental results of electric quadrupole hyperfine structure constants and new assessment of nuclear quadrupole moments in $^{135,137}$Ba. Phys. Rev. A 87 042506
- B.L. Chuah, N.C. Lewty, R. Cazan, M.D. Barrett. (2013). Sub-Doppler Cavity Cooling Beyond The Lamb-Dicke Limit. Phys. Rev. A 043420
- K. J. Arnold, M.P. Baden, M.D. Barrett. (2012). Self-Organization Threshold Scaling For Thermal Atoms. Phys. Rev. Lett. 109 153002
- A. Roy, S. J. Bah, M.D. Barrett. (2012). Trapping and detection of single atoms using a spherical mirror. New J. Phys. 093007
- N.C. Lewty, B.L. Chuah, R. Cazan, B. K. Sahoo, M.D. Barrett. (2012). Spectroscopy on a single trapped 137Ba+ ion for nuclear magnetic octupole moment determination. Optics Express 20 21379
- Le Huy Nguyen, A. Kalev, M.D. Barrett, B.-G. Englert. (2012). Micromotion in trapped atom-ion systems. Phys. Rev. A 85 052718
- A. Roy, M.D. Barrett. (2011). Fabrication of Glass Micro-Cavities for Cavity QED Experiments. Applied Physics Letters 99 171112
- K. J. Arnold, M.P. Baden, M.D. Barrett. (2011). Collective Cavity QED with Multiple Atomic Levels. Phys. Rev. A 84 033843
- B.L. Chuah, N.C. Lewty, M.D. Barrett. (2011). State detection using coherent Raman repumping and two-color Raman transfers. Phys. Rev. A 84 013411
- K. J. Arnold, M.D. Barrett. (2011). All-Optical BEC in a 1.06 ?m dipole trap. Optics Comm. 13 3288-3291
