A mixed-species atom array for quantum computing and simulation

Giulia Semeghini (Harvard U, Cambridge)

May 21. 2025, 14:30 — 15:15

In this talk, we will explore recent advancements in quantum computing using Rydberg atom arrays and present new opportunities enabled by the use of a dual-species array based on a mixture of alkali and alkaline-earth atoms. Trapped arrays of interacting Rydberg atoms have become a leading platform for quantum information processing and quantum simulation due to their large system size and programmability. The addition of a second atomic species opens new possibilities for implementing selective qubit control, engineering asymmetric inter- and intra-species Rydberg interactions, and exploring novel architectures for quantum computing. Additionally, continuous replenishment of both atomic species is central to improving scalability and circuit depths, while decreasing cycle times. We will present our ongoing efforts toward creating a new continuously reloaded, programmable atom array based on a mixture of Rb and Yb, and discuss its applications—from combining coherent and dissipative dynamics for quantum information processing to simulating lattice gauge theories.

Further Information
Venue:
ESI Boltzmann Lecture Hall
Associated Event:
Entanglement in Many-body Quantum Matter: Dynamics, Dissipation, Equilibration (Thematic Programme)
Organizer(s):
Mari Carmen Banuls (MPI of Quantum Optics, Garching)
Hannes Pichler (IQOQI, Innsbruck)
Norbert Schuch (U of Vienna)
Maksym Serbyn (ISTA, Klosterneuburg)