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Quantum Information

Quantum resources can be harnessed to solve problems on a quantum computer that cannot realistically be solved on a classical computer.  The realization of a large quantum information processor could enable secure communication, quantum computation, and quantum simulation of complex physical systems.  At UW you will find research focused on the realization of a physical quantum computer as well as the theoretical aspects of quantum information.

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Kai-Mei Fu
Assistant Professor (joint with EE)
Impurity Opto-spintronics
Our research focuses on spin-systems in solids for experimental quantum information processing (QIP) and sensing applications. We use optical techniques to study and control spin dynamics in semiconductors and diamond. Coupled optical-spin systems are integrated into nanophotonic devices to enable optical communications between spins for QIP and to increase magnetic sensitivity in sensing applications.
Boris Blinov
Associate Professor
​Trapped Ion Quantum Computing
We work on experimental implementation of quantum computation and quantum communication using single trapped ions and single photons, and the hybrid atom-photon entangled state. Apart from the quantum information applications, we are also interested in testing the fundamental principles of quantum mechanics. ​
Subhadeep Gupta
Associate Professor
Ultracold atoms
One research theme in our group is the study of interacting quantum mixtures of atoms at 100 nanoKelvins, and preparation and studies of polar diatomic molecules. These systems can precisely explore fundamental few- and many-body physics and are applicable towards quantum simulation and information science. The second is the development of an atom interferometer using Bose-Einstein condensates to measure the fine structure constant and precisely test the theory of quantum electrodynamics.
Xiaodong Xu
Associate Professor (joint in MSE)
Nanoscale Optoelectronics
My group investigates new physics arising from novel 2D electronic materials for potential quantum information and quantum computation applications. We are very interested in two systems. The first is atomically thin transition metal dichalcogenides. This system provides strongly coupled spin-valley degrees of freedom, which leads to long relaxation and coherence time of spins and electrons in valleys. The second system is three-dimensional topological insulators. This new phase of quantum matter provides helical surface spin states which are protected by bulk topological invariant and immune to non-magnetic scattering. By nanomaterial synthesis, device fabrication, optical and transport measurements, we aim to understand the fundamental and technical aspects of these material systems for new quantum device applications.

Additional QI related research at UW

Daniel Gamelin (Chemistry)
Xiaosong Li (Chemistry)