Events

Wisconsin Quantum Institute

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Events on Thursday, March 3rd, 2022

How to create and leverage many-body entanglement for near-term quantum networks and simulation
Time: 10:00 am - 11:00 am
Place: 5310 Chamberlin Hall
Speaker: Sophia Economou, Virginia Tech
Abstract: Quantum information science and related technologies include quantum computers, which will be able to solve important problems beyond the reach of classical computers, as well as the ‘quantum internet’, an inherently secure network for communication and for accessing remote quantum computers. I will discuss these technologies, focusing on the question of how to enable them by creating and leveraging multipartite entangled states using near-term quantum systems. In the case of quantum networks, I will describe our protocols for the generation of logically encoded photonic graph states from quantum emitters. For quantum simulation, I will present our recent work on efficient variational quantum algorithms. Bio: Sophia Economou is a Professor of Physics and the Hassinger Senior Fellow of Physics at Virginia Tech. She focuses on theoretical research in quantum information science, including quantum computing with solid-state and photonic qubits, quantum communications, and quantum simulation algorithms.
Host: Mark Saffman
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Quantum computing with semiconductor spins
Time: 4:00 pm - 5:00 pm
Place: 5310 Chamberlin Hall
Speaker: Edwin Barnes, Virginia Tech
Abstract: Recent years have witnessed enormous progress toward the development of quantum computers---novel devices that exploit quantum mechanics to perform tasks far beyond the reach of the world’s best supercomputers. Qubits based on semiconductor spins are particularly promising because of their long coherence times and prospects for scaling up to large processors by leveraging the existing semiconductor electronics infrastructure. However, many fundamental challenges related to decoherence, controllability, and device architecture remain. I will describe our efforts to address these challenges on multiple fronts using smart control schemes, dynamical stabilization with Floquet physics, and entanglement generation between remote spins.
Host: Mark Saffman
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