“Dark photon“ theory, if correct, would completely upend physics - Earth.com
[https://www.earth.com/news/dark-photon-theory-double-slit-experiment-doubt-quantum-light-interference/] - - public:mzimmerm
This (and every) answer should make it clear that it is not possible to do this in free space, but occurs in interaction with a material medium.
Photon can also split like a Majorana fermion