US 12,068,732 B2
Noise mitigation circuitry for quantum computers and corresponding methods
Corey Andrew Barnes, Lafayette, CO (US); James Knodel, Broomfield, CO (US); Joshua Giles, Arvada, CO (US); Matthew Swallows, Lafayette, CO (US); Jeremy S. Parks, Westminster, CO (US); Jason Dominy, Superior, CO (US); Leonardo I. Ascarrunz, Lafayette, CO (US); David James Francois, Broomfield, CO (US); Adam P. Reed, Broomfield, CO (US); and Maya Fabrikant, Broomfield, CO (US)
Assigned to QUANTINUUM LLC, Broomfield, CO (US)
Filed by Quantinuum LLC, Broomfield, CO (US)
Filed on Dec. 16, 2021, as Appl. No. 17/553,206.
Claims priority of provisional application 63/145,039, filed on Feb. 3, 2021.
Prior Publication US 2022/0247386 A1, Aug. 4, 2022
Int. Cl. H03H 11/04 (2006.01); G06N 10/40 (2022.01); H03H 7/01 (2006.01)
CPC H03H 11/04 (2013.01) [G06N 10/40 (2022.01); H03H 7/01 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for providing a signal to an electrode in an ion trap of a quantum computer, the system comprising:
a signal generator configured to generate a first signal, wherein the first signal comprises a frequency sweep;
a gain stage configured to amplify the signal, wherein an input to the gain stage is connected to an output of the signal generator;
a filter stage configured to filter the signal, where an input to the filter stage is connected to an output of the gain stage;
a converter configured to measure a response at an output of the filter stage in response to the first signal;
wherein the signal generator is further configured to generate a second signal, wherein the second signal is pre-distorted with a determined pre-distorted waveform based on the response measured;
wherein an electrode in an ion trap is configured to receive the second signal.