A mirror that rapidly turns on and off alters the waveform of a reflected laser pulse in a way characteristic of Thomas Young’s classic double-slit experiment.
A celebrated experiment in 1801 showed that light passing through two thin slits interferes with itself, forming a characteristic striped pattern on the wall behind. Now, physicists have shown that a similar effect can arise with two slits in time rather than space: a single mirror that rapidly turns on and off causes interference in a laser pulse, making it change colour.
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Additional access options:Nature 616, 230 (2023)
doi: https://doi.org/10.1038/d41586-023-00968-4
ReferencesTirole, R. et al. Nature Phys. https://doi.org/10.1038/s41567-023-01993-w (2023).
Tirole, R. et al. Phys. Rev. Applied 18, 054067 (2022).
Bacot, V., Labousse, M., Eddi, A., Fink, M. & Fort, E. Nature Phys.12, 972–977 (2016).
Moussa, H. et al. Nature Phys. https://doi.org/10.1038/s41567-023-01975-y (2023).
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