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Page 1
Coherent optical clock down-conversion for microwave frequencies with 10-18 instability.
Nakamura T, Davila-Rodriguez J, Leopardi H, Sherman JA, Fortier TM, Xie X, Campbell JC, McGrew WF, Zhang X, Hassan YS, Nicolodi D, Beloy K, Ludlow AD, Diddams SA, Quinlan F. Nakamura T, et al. Among authors: fortier tm. Science. 2020 May 22;368(6493):889-892. doi: 10.1126/science.abb2473. Science. 2020. PMID: 32439794
Single-atom optical clock with high accuracy.
Oskay WH, Diddams SA, Donley EA, Fortier TM, Heavner TP, Hollberg L, Itano WM, Jefferts SR, Delaney MJ, Kim K, Levi F, Parker TE, Bergquist JC. Oskay WH, et al. Among authors: fortier tm. Phys Rev Lett. 2006 Jul 14;97(2):020801. doi: 10.1103/PhysRevLett.97.020801. Epub 2006 Jul 14. Phys Rev Lett. 2006. PMID: 16907426
Observation of the 1S0-->3P0 clock transition in 27Al+.
Rosenband T, Schmidt PO, Hume DB, Itano WM, Fortier TM, Stalnaker JE, Kim K, Diddams SA, Koelemeij JC, Bergquist JC, Wineland DJ. Rosenband T, et al. Among authors: fortier tm. Phys Rev Lett. 2007 Jun 1;98(22):220801. doi: 10.1103/PhysRevLett.98.220801. Epub 2007 May 31. Phys Rev Lett. 2007. PMID: 17677830
Sr lattice clock at 1 x 10(-16) fractional uncertainty by remote optical evaluation with a Ca clock.
Ludlow AD, Zelevinsky T, Campbell GK, Blatt S, Boyd MM, de Miranda MH, Martin MJ, Thomsen JW, Foreman SM, Ye J, Fortier TM, Stalnaker JE, Diddams SA, Le Coq Y, Barber ZW, Poli N, Lemke ND, Beck KM, Oates CW. Ludlow AD, et al. Among authors: fortier tm. Science. 2008 Mar 28;319(5871):1805-8. doi: 10.1126/science.1153341. Epub 2008 Feb 14. Science. 2008. PMID: 18276849
Frequency ratio of Al+ and Hg+ single-ion optical clocks; metrology at the 17th decimal place.
Rosenband T, Hume DB, Schmidt PO, Chou CW, Brusch A, Lorini L, Oskay WH, Drullinger RE, Fortier TM, Stalnaker JE, Diddams SA, Swann WC, Newbury NR, Itano WM, Wineland DJ, Bergquist JC. Rosenband T, et al. Among authors: fortier tm. Science. 2008 Mar 28;319(5871):1808-12. doi: 10.1126/science.1154622. Epub 2008 Mar 6. Science. 2008. PMID: 18323415
Optical lattice induced light shifts in an yb atomic clock.
Barber ZW, Stalnaker JE, Lemke ND, Poli N, Oates CW, Fortier TM, Diddams SA, Hollberg L, Hoyt CW, Taichenachev AV, Yudin VI. Barber ZW, et al. Among authors: fortier tm. Phys Rev Lett. 2008 Mar 14;100(10):103002. doi: 10.1103/PhysRevLett.100.103002. Epub 2008 Mar 11. Phys Rev Lett. 2008. PMID: 18352181
51 results