Research Description
Elizabeth Goldschmidt’s research aims to create solid-state photonic devices in which individual particles of light can influence one another. Most optical nonlinear effects today require intense beams of light, limiting their use in quantum technologies, which operate at the single photon level. Goldschmidt’s group plans to combine rare-earth atoms in solid crystals with low-loss nanophotonic structures that tightly confine light to leverage the much higher nonlinearities that can be achieved with coherent emitters compared to bulk materials. This will enable on-chip generation and potentially switching of quantum light.
Research Impact
Professor Goldschmidt’s research could provide a new route to generating and controlling quantum light on a chip at much lower power than existing approaches and for quantum optical signals in the single photon regime. This could have broad impact for quantum communication, sensing, and photonic information processing technologies.
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related links
Experimental Physics Investigators Initiative 
Science
University of Illinois at Urbana-Champaign, Department of Physics
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