Bulletin of the American Physical Society
54th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 68, Number 7
Monday–Friday, June 5–9, 2023; Spokane, Washington
Session X04: Focus Session: Novel Approaches in Error Correction
8:00 AM–10:00 AM,
Friday, June 9, 2023
Room: Conference Theater
Chair: Jeff Thompson, Princeton University
Abstract: X04.00004 : Non-destructive mid-circuit measurements on a neutral atom quantum processor*
8:54 AM–9:06 AM
Presenter:
Linipun Phuttitarn
(University of Wisconsin - Madison)
Authors:
Trent Graham
(University of Wisconsin - Madison)
Linipun Phuttitarn
(University of Wisconsin - Madison)
Ravikumar Chinnarasu
(University of Wisconsin-Madison)
Yunheung Song
(University of Wisconsin-Madison; Korea Research Institute of Standards and Science)
Cody Poole
(University of Wisconsin-Madison)
Kais Jooya
(University of Wisconsin-Madison)
Jacob Scott
(University of Wisconsin, Madison)
Patrick Eichler
(University of Wisconsin-Madison)
Abraham Scott
(University of Wisconsin-Madison; University of Colorado Boulder)
Mark Saffman
(University of Wisconsin-Madison; Infleqtion, Inc.,)
We present mid-circuit measurement in array of single species neutral atoms based on shelving data qubits in a hyperfine level that is dark to the readout light. After shelving the data qubits we use hyperfine state-selective fluorescence to measure an ancilla qubit. We implement this approach on a 2D array of Cs atoms and characterize the readout fidelity of an ancilla qubit and the error that the readout induces on the data qubits. We will present progress towards implementation of quantum algorithms which leverage mid-circuit measurement and feedforward in place of multi-qubit entangling gates. We present methods for recooling and resetting ancilla qubits and prospects for full error correction.
*This material is based on work supported by NSF Award 2210437, NSF Award 2016136 for the QLCI center Hybrid Quantum Architectures and Networks, the U.S. Department of Energy Office of Science National Quantum Information Science Research Centers and DoE award DE-SC0019465.
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