Photons can be split into multiple lower-energy photons through nonlinear optical processes
the verdict
SUPPORTED
the evidence backs this
confidence 85/100
Photons can indeed be split into multiple lower-energy photons through nonlinear optical processes such as spontaneous parametric down-conversion.
Evidence for · 3
Photon pairs bi-directionally emitted from a resonant metasurface.
2023 · cited by 42
The paper demonstrates the generation of photon pairs via spontaneous parametric down conversion from a metasurface, a nonlinear optical process splitting higher-energy photons into lower-energy pairs.
This study discusses spontaneous parametric down-conversion as a mechanism in waveguides that splits pump photons into lower-energy entangled photon pairs.
Nanodomain poling unlocking backward nonlinear light generation in thin film lithium niobate.
2025 · cited by 2
The work utilizes spontaneous parametric down-conversion in thin-film lithium niobate to achieve backward nonlinear frequency conversion and generate photon pairs.