MCQST Colloquium: Mark Saffman

28 May 2024
from 14:00 to 16:00

MCQST Colloquium | Mark Saffman (University of Wisconsin–Madison)

MCQST Colloquium

Address / Location

MPI of Quantum Optics | Herbert Walther Lecture Hall

Hans-Kopferman-Straße 1

85748

Garching

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The MCQST Colloquium Series features interdisciplinary talks given by visiting international speakers. The monthly colloquium covers topics spanning all MCQST research units and will be broadcast live via Zoom for audiences worldwide. The main goal of the series is to create the framework for idea exchange, to strengthen links with QST leading groups worldwide, as well as to act as an integral part of the local educational environment.


MCQST Colloquium: Mark Saffman

We are excited to invite you to the colloquium talk by Mark Saffman (University of Wisconsin–Madison).


Agenda

14:00 | Teaser talk by Flavien Gyger (MPQ) on "Continuous operation of large-scale atom arrays in optical lattices"

14:15 | Coffee break

14:30 | Colloquium talk by Mark Saffman on “Quantum computing and networking with alkali atom qubit arrays”


Quantum computing and networking with alkali atom qubit arrays

Arrays of atoms with interactions provided by highly excited Rydberg states provide a setting where atomic physics takes on extreme properties which are being harnessed for quantum applications. In the last few years remarkable progress has been achieved with neutral atom arrays, and they are now established as a leading platform for quantum computing.

The talk will present our progress on gate model quantum computing with atom arrays based on a scalable architecture incorporating stationary atoms and rapid scanning of focused control beams. Approaches to realizing fast mid-circuit measurements and quantum error correction based on either hyperfine shelving of single species arrays or dual species arrays will be presented[1]. Long range Rydberg interactions are a viable approach for fast implementation of non-local qLDPC codes[2]. For longer distance quantum interfaces integration of atom arrays with photon collection optics provides a path towards distributed quantum processing[3].

[1] PRX, 13, 041051 (2023)
[2] arXiv: 2404.18809
[3] Appl. Phys B 128, 151 (2022); PRA 109, 032602 (2024)


About Mark Saffman

Mark Saffman is the Johannes Rydberg Professor of Physics at the University of Wisconsin-Madison, Director of the Wisconsin Quantum Institute, and Chief Scientist for Quantum Information at Infleqtion, Inc. . He is an experimental physicist working in the areas of atomic physics, quantum and nonlinear optics, and quantum information processing. His research team was the first to demonstrate a quantum CNOT gate for the deterministic entanglement of a pair of neutral atoms. He is currently developing scalable arrays of neutral atoms for quantum computation, communication, and sensing applications. He has been recognized with an Alfred P. Sloan fellowship, a Vilas Associate Award, the WARF Innovation Award, and is a fellow of the American Physical Society, and Optica.


Join in-person or via Zoom

https://lmu-munich.zoom.us/j/99897798115

Meeting ID: 998 9779 8115, Passcode: mcqst2024

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