Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session G67: Neutral atom qubits and applications
11:30 AM–2:18 PM,
Tuesday, March 7, 2023
Room: Room 412
Sponsoring
Unit:
DQI
Chair: Andrew Pocklington, University of Chicago
Abstract: G67.00003 : High-Fidelity, Low-Loss State Detection of Alkali Atoms in Optical Tweezers*
11:54 AM–12:06 PM
Presenter:
Matthew N Chow
(Sandia National Labs; University of New Mexico; CQuIC)
Authors:
Matthew N Chow
(Sandia National Labs; University of New Mexico; CQuIC)
Bethany J Little
(Sandia National Labs)
Yuan-Yu Jau
(Sandia National Labs; University of New Mexico; CQuIC)
In work towards Rydberg-dressing quantum computation, we demonstrate hyperfine state readout of individual cesium atoms in optical tweezers with 0.09(2)% infidelity and low loss. After further study of relevant atom-photon interaction physics, we obtain this result via adaptive measurement and careful choice of detection parameters to minimize depumping and heating. Our techniques impose no stringent vacuum or optical requirements and can be readily adopted to improve detection on similar systems.
*Sandia National Labs is managed and operated by NTESS LLC, a subsidiary of Honeywell Intl., Inc., for the US DOE's NNSA under contract DE-NA0003525. SAND2022-14306 A
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