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November 19, 2022

Micro-ring resonator generates high-dimensional photon pairs

This micro-ring resonator, shown here as a closed loop, generated high-dimensional photon pairs. Researchers examined these photons by manipulating the phases of different frequencies, or colors, of light and mixing frequencies, as shown by the crisscrossed multicolor lines.

[Research supported by U.S. National Science Foundation grant ECCS 1839191, ECCS 2034019 and DMR 1747426.]

Learn more in the Oak Ridge National Lab news story New measurements quantifying qudits provide glimpse of quantum future. (Date of image: 2022; date originally posted to NSF Multimedia Gallery: Nov. 19, 2022)

Credit: Yun-Yi Pai/ORNL, U.S. Department of Energy

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