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SAMOP 2023 – scientific programme

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A: Fachverband Atomphysik

A 12: Poster I

A 12.4: Poster

Tuesday, March 7, 2023, 16:30–19:00, Empore Lichthof

QRydDemo - A Rydberg atom quantum computer demonstrator — •jiachen zhao1, ratnesh kumar gupta1, philipp ilzhöfer1, govind unnikrishnan1, jennifer krauter1, achim scholz1, sebastian weber2, hans peter büchler2, simone montangero3, jürgen stuhler4, florian meinert1, and tilman pfau115th Institute of Physics, University of Stuttgart, Germany — 2Institute for Theoretical Physics III, University of Stuttgart, Germany — 3Department of Physics and Astronomy, University of Padova, Padova, Italy — 4TOPTICA Photonics AG, Gräfelfing, Germany

Quantum computing is attracting great interest due to its potential for solving computationally hard problems. The QRydDemo project aims to build a quantum computer based on neutral strontium atoms individually trapped in an optical tweezer array. We will study a so far unexplored qubit encoded in the 3P0 and 3P2 fine-structure states of Strontium. This qubit provides "triple magic trapping" and the potential to improve the coherence time by a factor of 1000 from previous demonstrations of 10 microseconds to 10 milliseconds. We will combine this qubit with a novel tweezer architecture which allows for reshuffling of the qubits during the quantum computation. Such a dynamically adjustable qubit array allows for new algorithmic possibilities by effectively increasing the connectivity for deep quantum circuits to solve real-world problems. We plan to offer access to the hardware through a currently developed compiler software stack via our website www.thequantumlaend.de.

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