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.
- Publication:
-
Physical Review Letters
- Pub Date:
- December 1990
- DOI:
- 10.1103/PhysRevLett.65.3116
- Bibcode:
- 1990PhRvL..65.3116W
- Keywords:
-
- Helium-Neon Lasers;
- Laser Interferometry;
- Zeeman Effect;
- Gravitational Waves;
- Noise Reduction;
- Stimulated Emission;
- Lasers and Masers;
- 42.50.Kb;
- 32.90.+a;
- 42.50.Wm;
- Other topics in atomic properties and interactions of atoms with photons