Anharmonicity of the vacuum Rabi peaks in a many-atom system
Abstract
We have experimentally observed the evolution of the vacuum Rabi doublet into a singlet in the transmission spectrum of a cavity filled with a collection of two-level atoms. For very weak excitation the peaks behave like simple harmonic oscillators, but become anharmonic as the excitation increases. The anharmonicity grows to a point where hysteresis appears in the transmission spectrum, eventually causing the two peaks to merge into one.
- Publication:
-
Physical Review A
- Pub Date:
- November 1996
- DOI:
- 10.1103/PhysRevA.54.R3746
- Bibcode:
- 1996PhRvA..54.3746G
- Keywords:
-
- 42.50.Fx;
- 32.80.Bx;
- Cooperative phenomena in quantum optical systems;
- Level crossing and optical pumping