Correlated spontaneous emission in a Zeeman laser

Abstract

We have observed phase-diffusion noise 40% below the Schawlow-Townes limit in the relative phase of a two-mode HeNe Zeeman laser due to the correlated-emission-laser effect.Received 8 June 1990DOI:https://doi.org/10.1103/PhysRevLett.65.3116©1990 American Physical Society