Dr ARNOLD, Kyle Joseph, Senior Research Scientist, email: tslkja@nus.edu.sg

Background
Dr. Kyle J. Arnold is a Senior Research Scientist with joint appointment at Temasek Labs and the Centre for Quantum Technologies at the National University of Singapore. His research work is focused on ion-based optical atomic clocks, including the first lutetium based atomic frequency standard and development of both integrated, deployable technologies for trapped-ion optical clocks.  He completed his PhD in physics in 2013 at the National University of Singapore on scholarship from the Centre for Quantum Technologies. He has more than 25 peer reviewed publications in the field of atomic physics.

Selected Publications
K. J Arnold, R. Kaewuam, S. R. Chanu, T. R. Tan, Z. Zhang, and M. D. Barrett. Precision measurements of the 138Ba+ 6s S1/2 - 5d D5/2 clock transition. Physical Review Letters, 124, 193001 (2020)

Z. Zhang, K. J. Arnold, S. R. Chanu, R. Kaewuam, M. S. Safronova, and M. D. Barrett. Branching fractions for P3/2 decays in Ba+. Physical Review A, 101, 062515 (2020)

R. Kaewuam, T. R. Tan, K. J. Arnold, S. R. Chanu, Z. Zhang, and M. D. Barrett, Hyperfine averaging by dynamic decoupling in a multi-ion lutetium clock. Physical Review Letters, 124, 083202 (2020)

S. R. Chanu, V. P. W. Koh, K. J. Arnold, R. Kaewuam, T. R. Tan, Z. Zhang, M. S. Safronova, and M. D. Barrett, Magic wavelength of the 138Ba+  6s S1/2 - 5d D5/2 clock transition," Physical Review A, 101, 042507 (2020)

T. R. Tan, R. Kaewuam, K. J. Arnold, S. R. Chanu, Z. Zhang, M. S. Safronova and M. D. Barrett. Suppressing inhomogenous broadening in a lutetium multi-ion clock.
Physical Review Letters, 123, 063201 (2019)

K. J. Arnold, S.R. Chanu, R. Kaewuam, T. R. Tan, L. Yeo, Zhiqiang Zhang, M.S. Safronova and M. D. Barrett. Measurements of the branching ratios for the 6P1/2 decays in Ba+.
Physical Review A, 100, 032503 (2019)

M. D. Barrett, K. J. Arnold, M.S. Safranova Polarizability assessments of ion-based optical clocks. Physical Review A, 100, 043418 (2019)

K. J. Arnold, R. Kaewuam, T. R. Tan, and M. D. Barrett. Oscillating quadrupole effects in high precision metrology. Physical Review A, 99, 022515 (2019)

R. Kaewuam, T. R. Tan, K. J. Arnold, and M. D. Barrett. Spectroscopy of the 1S0 to 1D2 clock transition in 176Lu+. Physical Review A, 99, 022514 (2019)

K. J. Arnold, R. Kaewuam, T. R. Tan, S. G. Porsev, M.S. Safranova, and M. D. Barrett. Dynamic polarizability measurements in 176Lu+. Physical Review A, 99, 012510 (2019)

H.C.J. Gan, G Maslennikov, K-W Tseng, T.R. Tan, R. Kaewuam, K. J. Arnold, D. Mat-sukevich, and M.D. Barrett. Oscillating-magnetic-field effects in high-precision metrology.
Physical Review A, 98, 032514 (2018)

K. J. Arnold, R. Kaewuam, A. Roy, T. R. Tan, and M. D. Barrett. Blackbody radiation shift assessment for a lutetium ion clock. Nature Communications, 9, 1650 (2018)

Z. Zhang, C. H. Lee, R. Kumar, K. J. Arnold, S. J. Masson, A. L. Grimsmo, A. S. Parkins, and M. D. Barrett . Dicke model simulation via cavity-assisted Raman transitions. Physical
Review A, 97, 043858 (2018)

R. Kauwuam, A. Roy, T. R. Tan, K. J. Arnold, and M. D. Barrett. Laser spectroscopy of 176Lu+. Journal of Modern Optics, 65, 592 (2018)

K. J. Arnold , R. Kauwuam, A. Roy, E. Paez, S Wang, and M.D. Barrett. Observation of the 1S0 to 3D1 clock transition in 175Lu+. Physical Review A, 94, 052512 (2016)

K. J. Arnold and M. D. Barrett. Suppression of Clock Shifts at Magnetic-Field-Insensitive Transitions. Physical Review Letters, 117, 160802 (2016)

E. Paez, K. J. Arnold, E. Hajiyev, S. G. Porsev, V.A. Dzuba, U.I. Safranova, M.S. Safranova, and M. D. Barrett. Atomic properties of Lu+. Physical Review A, 93, 042112 (2016)

K. J. Arnold, E. Hajiyev, E. Paez, C.H. Lee, M. D. Barrett, and J. Bollinger. Prospects for atomic clocks based on large ion crystals. Physical Review A, 92, 032108 (2015)

K. J. Arnold, M. P. Baden, and M. D. Barrett. Self-Organization Threshold Scaling For Thermal Atoms Coupled to a Cavity. Physical Review Letters, 109, 153002 (2012)

K. J. Arnold, M. P. Baden, and M. D. Barrett. Collective Cavity Quantum Electrodynamics with Multiple Atomic Levels. Physical Review A, 84, 033843 (2011)

K. J. Arnold and M. D. Barrett. All-Optical Bose-Einstein Condensation in a 1.06 μm Dipole Trap. Optics Communications, 13 3288-3291 (2011)