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Center for Astrophysics Research and Technologies Seminar Series Information


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Resource-Efficient Quantum Characterization & Control with Frames

Thursday October 27, 2022
3:30 pm

 Presenter:  Lorenza Viola (Darmouth)
 Series:  CQuIC Seminars
 Abstract:  Accurate characterization and control of open quantum systems exposed to realistic, non-Markovian noise are vital for exploiting the full potential of quantum technologies and eventually reaching quantum fault tolerance. I will describe how to leverage the mathematical notion of a "frame" to build a simplified, "model-reduced" representation of the noisy dynamics of interest, which is directly tied to the available, finite control resources. Such a frame-based, "control-adapted" formulation overcomes important limitations of existing approaches. In particular, I will outline how it allows i) to implement quantum noise spectroscopy beyond the traditional frequency-domain setting "including digital, hardware-efficient noise characterization in the time domain; and ii) to achieve noise-optimized control synthesis" with emphasis on optimal quantum gate design under non-Gaussian noise.
 Host:  Ivan Deutsch
 Location:  PAIS-2540, PAIS

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