Recent content by mrdopebunny

  1. M

    Graduate Why do the photons produced by a laser have the same phase?

    Hi. This has been destroying my mind all day. Take, for example, a semiconductor laser with no internal photons initially. By spontaneous emission, one electron falls from the conduction band to the valance band and emits a photon with the bandgap frequency and a random phase. As this photon...