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Presented By: Applied Physics

Applied Physics Seminar | Frontiers in quantum science with neutral ytterbium atoms trapped in optical tweezer arrays

Alexander Burgers, Assistant Professor of Electrical Engineering and Computer Science, College of Engineering, University of Michigan

Abstract:
In quantum science we strive to construct systems that utilize the quantum behavior of nature to encode and measure information. This enables the exploration of new scientific and technological regimes by controlling and coherently manipulating the internal quantum states of the system's constituent elements (i.e. atoms, photons, solid-state spins, etc.). The highly controllable and coherent nature of neutral atoms make them an attractive quantum element for pursuits at the frontier of quantum information science. Experimental tools like the optical tweezer have led to unprecedented control and manipulation of single atoms giving the ability to create defect-free arrays of atoms in one and two dimensions. Exciting the atoms to a high principal quantum number state known as a Rydberg state creates strong inter-atomic interactions used to achieve entangling operations for quantum computing and simulating quantum systems. I will discuss the construction of our neutral ytterbium (Yb) tweezer apparatus and why Yb is a particularly exciting atom for pursuing quantum information science. In addition to utilizing Rydberg states, I will describe how we can leverage the precise control afforded by optical tweezers to integrate these cold atom systems with a nanophotonic platform and create conditions in the array where the atoms experience cooperative optical resonances which can be used to store and distribute quantum information.

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December 7, 2022 (Wednesday) 12:00pm
Meeting ID: 93170512369
Meeting Password: 898441

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