Mesoscale2025-10-091 minarXiv:2510.08030expressPhoton Avalanche: How to Catch the InvisibleIn photometry (the measurement of light), catching individual microwave photons was long impossible: their energy is on par with the thermal jitter of atoms.Lukas Danner·Max Hofheinz·Nicolas Bourlet·Ciprian Padurariu·Joachim Ankerhold·Björn KubalaAlain AspectAlbert EinsteinCharles Townesquantum opticsphononquantum sensingphotometry👍👎☆SimplePopularAdvanced