Verification of spectroscopic techniques using noise injection

Presenting Author: Brian McMahon, Georgia Tech Research Institute
Contributing Author(s): Creston Herold

Noise processes in quantum computing architectures limit gate performance, and correlations between gate errors in algorithms are not fully understood. In this work, we validate noise spectroscopy techniques by measuring injected amplitude and phase noise. For this purpose, we developed FPGA code to generate tailored noise spectra. The code was implemented on a NIST Digital-Servo controller, but it can be added to any FPGA design. Using these techniques, we can characterize amplitude and dephasing noise intrinsic to our system and study noise correlations in longer sequences such as algorithms.

(Session 5 : Thursday from 5:00pm - 7:00 pm)


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