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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Donuts, math, and superdense teleportation of quantum information

T. M. Graham, H. J. Bernstein, T. Wei, M. Junge, and P. G. Kwiat, "Superdense teleportation using hyperentangled photons." Nature Communications 6, 1–9 (2015). We demonstrated a superdense teleportation protocol to achieve higher fidelity transmission of quantum information with fewer experimental resources. Read more on the Physics Illinois website.

Engineering photon pairs for quantum information

"Engineering of near-IR photon pairs to be factorable in space-time and entangled in polarization." K. Zielnicki et al. in Optics Express (PDF available on our Publications page). We demonstrate a source that produces pure heralded single photons and polarization-entangled pairs without unwanted spectral correlations.

Student featured by NSF for Women's History Month

Fourth-year graduate student and NSF Graduate Research Fellow Rebecca Holmes was featured in a social media series on women in science for Women's History Month.

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