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SUMMARY:QSE Quantum Seminar: "Quantum computing with metastable atomic qub
 its"
DTSTART:20260508T120000
DTEND:20260508T133000
DTSTAMP:20260415T045719Z
UID:6eeebd0fe6f4f93625f56f8ce590d12e6fdaf6b14068c795ff0288d6
CATEGORIES:Conferences - Seminars
DESCRIPTION:Johannes Zeiher\nPlease join us for the QSE Center Quantum 
 Seminar with Johannes Zeiher from the LMU Munich who will give a talk 
 about "Quantum computing with metastable atomic qubits" on Friday May 8 f
 rom 12pm to 1:30pm.\nLocation: BS 150\n\nPizzas will be available at 12:0
 0. All PhDs\, postdocs\, students\, group leaders\, and PIs are welcome to
  join us.\n\nTITLE: "Quantum computing with metastable atomic qubits"\n\n
 ABSTRACT: \nAtom arrays have shaped the research frontiers of quantum sim
 ulation\, quantum metrology\, and quantum computation in recent years. In 
 this talk\, I will present our approach to quantum computing utilizing met
 astable fine-structure qubits in bosonic strontium atoms. Combining long c
 oherence times\, high-fidelity gates\, and coherent atom shuttling with TH
 z-scale qubit splitting\, we realize a powerful computational platform fea
 turing a natural implementation of logical qubits. Leveraging velocity-sel
 ective addressing of individual atoms enables mid-circuit readout or reset
 s\, opening the path to cyclic error correction or measurement-based quant
 um computing. Furthermore\, I will present our approach to scaling atom ar
 rays based on directly loaded large-scale optical lattices. Utilizing a sp
 ecialized\, highly anisotropic lattice geometry\, we directly load thousan
 ds of individually addressable strontium atoms from the magneto-optical tr
 ap and demonstrate continuous replenishment of atoms in the system. Our wo
 rk establishes the fine-structure qubit in strontium as a promising qubit 
 platform for neutral-atom quantum computers and showcases the scalability 
 of atom arrays trapped in optical lattices. \n\nBIO: \nJohannes Zeiher s
 tudied physics at the LMU Munich and the University of Cambridge\, where h
 e obtained his masters degree in 2012. He did his PhD in the group of Imma
 nuel Bloch at MPQ\, focusing on quantum simulations with neutral atoms in 
 optical lattices\, in particular employing highly excited Rydberg states f
 or realizing quantum spin models. For this work\, he received the Otto Hah
 n Medal of the Max Planck Society. Following his postdoc as a Feodor Lynen
  Fellow at UC Berkeley with Dan Stamper-Kurn on single-atom cavity QED\, i
 n 2020 he joined the Quantum Many-Body Systems Division at MPQ as a resear
 ch group leader. Since 2022\, he leads the independent research group “Q
 uantum Matter Interfaces” at MPQ\, which is supported by the BMBF throug
 h the Quantum Future program for Junior Research Groups. Since 2025\, Joha
 nnes is a Professor for Synthetic Quantum Matter at the LMU Munich. His re
 search focuses on quantum computing\, quantum gas microscopy of many- and 
 few-body systems in optical lattices and novel light-matter interfaces.\n
  
LOCATION:BS 150
STATUS:CONFIRMED
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