Christopher
P. Anderson
Intelligence
Community Postdoctoral Research Fellow, Stanford University
Joint
MatSE/ECE Faculty Candidate Seminar
Wednesday,
February 8, 2023, 8:30-9:30 am
B02
Coordinated Science Laboratory Auditorium
Title: Building a
quantum internet with photons and electron spins
Abstract: Photons
are robust mediators of quantum interactions that can be used to encode
information from quantum sensors, connect quantum computers, or send data over
quantum communications channels. However, single photons suffer from loss over long
distances, lack long-term storage, and only weakly interact with matter. I will
describe our work tackling these challenges by highlighting the properties of
electrons and photons confined in emerging solid-state materials. First, I
overview the development of optically active electron spin qubits in silicon
carbide (SiC) as wafer scalable semiconductor quantum repeaters. This platform
is bolstered by our recent advances in SiC photonics, which efficiently guide
the single photons emitted from these qubits. I will then present our discovery
of a new quantum photonic material with an electro-optic tunability orders
of magnitude greater than leading systems, enabled by harnessing quantum phase
transitions. This large cryogenic nonlinearity unlocks photonic quantum
computing, microwave-to-optical transduction, and scaling of superconducting
processors. These results highlight the power of controlling electron spins and photons
to scale quantum information technologies.
Biography: Chris
Anderson is currently an Intelligence Community postdoctoral research fellow in Jelena Vučković’s group at Stanford. There, he explores how photonics can overcome outstanding challenges in quantum science and technology. He received his Ph.D. in physics from the University of Chicago working with David Awschalom, where he won an NDSEG fellowship for his research on solid-state electron spin qubits. Previously, he graduated with a B.S. in both physics and chemistry from the University of Michigan. He is also a founder of the Open
Quantum Initiative, whose mission is to increase diversity, equity and
inclusion in quantum science. Recently, Chris was a recipient of a 2022 Quantum
Creators Prize.
