Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session K00: Poster Session II (4pm-6pm CDT)
4:00 PM,
Wednesday, June 5, 2024
Room: Hall BC
Abstract: K00.00141 : Axial and Radial Sympathetic Cooling in a Sorted Mixed-Isotope Ion Chain*
Presenter:
Tianyi Wang
(Duke University, Department of Physics)
Authors:
Tianyi Wang
(Duke University, Department of Physics)
Andrew Van Horn
(Duke University, Department of Electrical and Computer Engineering)
Jungsang Kim
(Duke University)
Marko Cetina
(Duke University)
Collisions with background gas atoms cause reordering of the two isotopes in our room-temperature chains, which affects the operation of entangling gates. We maintain the isotope sequence of ions trapped in a Sandia HOA 2.1.1 surface trap [2] using an efficient sorting protocol using nearest-neighbor swaps with low overhead. We implement sympathetic narrow-line cooling on both axial and radial modes of sorted mixed-species chains and investigate the resulting cross-thermalization of the modes.
*This work is supported by the ARO with funding from the IARPA LogiQ Capstone program, the NSF QLCI program, and the DOE QSA program.
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