US 12,475,398 B2
Active stabilization of coherent controllers using nearby qubits
Jungsang Kim, Chapel Hill, NC (US); Kenneth Brown, Durham, NC (US); and Christopher Monroe, Ellicott City, MD (US)
Assigned to UNIVERSITY OF MARYLAND, COLLEGE PARK, College Park, MD (US); and DUKE UNIVERSITY, Durham, NC (US)
Filed by University of Maryland, College Park, College Park, MD (US); and Duke University, Durham, NC (US)
Filed on Apr. 16, 2024, as Appl. No. 18/637,172.
Application 18/637,172 is a division of application No. 17/362,810, filed on Jun. 29, 2021, granted, now 12,288,132.
Claims priority of provisional application 63/046,559, filed on Jun. 30, 2020.
Prior Publication US 2024/0378472 A1, Nov. 14, 2024
Int. Cl. G06N 10/40 (2022.01)
CPC G06N 10/40 (2022.01) 20 Claims
OG exemplary drawing
 
1. A trapped ion quantum information processing (QIP) system comprising:
at least one ion trap including at least one first qubit ion and at least one second qubit ion; and
a local oscillator that is locked to a frequency reference associated with the at least one second qubit ion, the local oscillator being configured to track a frequency of the at least one first qubit ion based on the locked frequency reference.