Home > Seminars > Building A Quantum Computer One Atomic Layer At A Time

Building A Quantum Computer One Atomic Layer At A Time


2/24/2017 at 12:30PM


2/24/2017 at 1:45PM


356 Fitzpatrick Hall


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Anthony Hoffman

Anthony Hoffman

VIEW FULL PROFILE Email: ajhoffman@nd.edu
Phone: 574-631-4103
Website: https://www.ee.nd.edu/research-lab-websites/hoffmanlab
Office: 226B Cushing Hall


College of Engineering Assistant Professor
Mid-infrared & THz Photonics Group Principal Investigator
Research Interests:  Prof. Hoffman's mid-infrared and THz optoelectronics research is focused on understanding quantum phenomena for the development of new optical materials, sources, and detectors.  Much of his work focuses on quantum engineering, where hundreds of layers of extremely thin ...
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Quantum computation requires initialization, manipulation, and readout of information that is stored in quantum-mechanical two-level systems – the qubits. At present many possible physical systems are explored as potential platforms for quantum computation, include superconducting qubits, trapped ions, and various semiconductor systems. A principal challenge to all quantum technologies is loss of information due to decoherence. In this talk, I will describe our efforts to build semiconductor and semiconductor-superconductor hybrid systems that may form the basis for future quantum technologies. We focus on two prototypical examples – spin qubits built with quantum dots on AlGaAs/GaAs heterostructures harboring a two-dimensional electron gas(2DEG) and hybrid high-spin- orbit-coupling semiconductor/superconductor interfaces that are believed to support Majorana zero modes that may be topologically protected against decoherence. The interplay of material properties, device operation, and qubit function will be discussed.

Seminar Speaker:

Professor Michael Manfra

Professor Michael Manfra

Purdue University

Michael Manfra received an A.B. degree in Physics from Harvard University in 1992 and a PhD in Physics from Boston University in 1999.  From 1999 to 2001, he was a postdoctoral member of technical staff at Bell Laboratories in Murray Hill, New Jersey. He was promoted to member of technical staff in 2001 and remained at Bell Labs through 2008.  In 2009, Manfra joined the faculty at Purdue University where he is currently the Bill and Dee O’Brien Professor of Physics and Astronomy as well as Professor of Electrical and Computer Engineering and Professor of Materials Engineering. Manfra directs Station Q Purdue, part of a Microsoft funded consortium focused on development of topological quantum computing.  He is a Fellow of the American Physical Society.