Near-ultraviolet photon-counting dual-comb spectroscopy

Nature, Published online: 06 March 2024; doi:10.1038/s41586-024-07094-9We demonstrate a photon-counting approach that extends the unique advantages of spectroscopy with interfering frequency combs into regions where nonlinear frequency conversion tends to be very inefficient, providing a step towards precision broadband spectroscopy at short wavelengths and extreme-ultraviolet dual-comb spectroscopy.

Nature, Published online: 06 March 2024; doi:10.1038/s41586-024-07094-9

We demonstrate a photon-counting approach that extends the unique advantages of spectroscopy with interfering frequency combs into regions where nonlinear frequency conversion tends to be very inefficient, providing a step towards precision broadband spectroscopy at short wavelengths and extreme-ultraviolet dual-comb spectroscopy.

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