Source: /cirosantilli/stimulated-emission

= Stimulated emission
{wiki}

Photon hits excited electron, makes that electron go down, and generates a new identical photon in the process, with the exact same:
* <frequency>
* <photon polarization>[polarization]
* direction
This is the basis of <lasers>.

Bibliography:
* https://youtu.be/_JOchLyNO_w?t=517 from <video How Lasers Work by Scientized (2017)>