Mar 25, 11:00 AM: ERC 201B - PME Seminar -- Prof. ...
ABSTRACT: Accurately characterizing the spectral properties of environmental noise in open quantum systems is both a prerequisite for quantitative modeling and prediction, and a key step toward optimizing control performance for high-fidelity quantum information processing and quantum sensing applications. Thanks to their exquisite sensitivity to their surrounding environment, qubits may be used as natural spectrometers - or sensors - of their own noise. In this talk, I will highlight some of our efforts in developing quantum control methods for spectral estimation, applicable to realistic spatio-temporally correlated noise environments. In particular, I will describe how protocols inspired by both dynamical decoupling and spin-locking relaxometry may be used to characterize non-Gaussian noise sources as well as noise correlations, and outline proof-of-principle experimental validations using superconducting qubit devices.Host: Ashish Clerk, aaclerk@uchicago.edu or by phone at 773-834-4568 For further information contact Alisha Bearden-Mannie by email at amannie@uchicago.edu.Date: March 25, 2020Time: 11:00 AM - 12:00 PM