Attosecond Quantum Metrology via Highly Non-Degenerate Frequency-Entangled Photons

Colin P. Lualdi; Spencer J. Johnson; Kristina A. Meier; Kristina A. Meier; Paul G. Kwiat

doi:10.1364/LS.2022.LM3F.2

Frontiers in Optics + Laser Science 2022 (FIO, LS)
Technical Digest Series (Optica Publishing Group, 2022),
paper LM3F.2
•https://doi.org/10.1364/LS.2022.LM3F.2

Attosecond Quantum Metrology via Highly Non-Degenerate Frequency-Entangled Photons

Colin P. Lualdi, Spencer J. Johnson, Kristina A. Meier, and Paul G. Kwiat

Laser Science 2022

Rochester, New York United States
17–20 October 2022
ISBN: 978-1-957171-17-3

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Quantum Information and Measurement (LM3F)

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C. P. Lualdi, S. J. Johnson, K. A. Meier, and P. G. Kwiat, "Attosecond Quantum Metrology via Highly Non-Degenerate Frequency-Entangled Photons," in Frontiers in Optics + Laser Science 2022 (FIO, LS), Technical Digest Series (Optica Publishing Group, 2022), paper LM3F.2.

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Abstract

We have demonstrated highly non-degenerate frequency-entangled two-photon interference. A timing resolution of 7.3 attoseconds was observed with only 24,000 coincidence detections. Our system enables fast, single-photon-level nanometer-scale measurements with loss, background, and dispersion tolerance.

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