University of Illinois at Urbana-Champaign

Welcome to the

Kwiat Quantum Information Group

in the Department of Physics in Engineering & LAS at Illinois

About us

We are a quantum information research group in the physics department at the University of Illinois at Urbana-Champaign.

Our research interests include:

  • Fundamental studies of quantum mechanics
  • Optical quantum information resources including single-photon sources, single-photon detectors, sources of entanglement, quantum random number generators, and adaptive optics
  • Applications such as quantum key distribution, quantum state and process tomography, quantum state creation and remote preparation, hyperentanglement-enhanced quantum communication, quantum-enhanced precision measurements, and quantum memory
  • The interaction of quantum states of light with biological systems, including the human visual system

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Looking for our guide to quantum state tomography? »


Students win OSA Enabled by Optics contest with video about fingerprint sensors

Graduate students Courtney Krafczyk, Rebecca Holmes, Michelle Victora and JJ Wong, and undergraduate Sheldon Schlie were the winners of the OSA Enabled by Optics contest with their video about the optics of fingerprint sensors! The video explains total internal reflection and other optics concepts with cartoons and demonstrations.

Students awarded NDSEG, NSF, and Mavis Future Faculty Fellowships

Third-year graduate student Michelle Victora was selected as a 2016-2017 Mavis Future Faculty Fellow by the College of Engineering. First-year graduate student Kristina Meier was awarded an NDSEG fellowship from the Department of Defense, and was also offered a Graduate Research Fellowship from the National Science Foundation. Congratulations!

Exploring the limits of quantum nonlocality

We used entangled photons to test quantum non-locality in ways that were previously beyond experimental reach, and achieved the “most nonlocal” correlations ever reported. Read more in the open-access paper: “Exploring the Limits of Quantum Nonlocality with Entangled Photons,” Bradley G. Christensen, Yeong-Cherng Liang, Nicolas Brunner, Nicolas Gisin, and Paul G. Kwiat in Physical Review X.

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