Micromaser spectrum
Marlan O. Scully, HERBERT WALTHER, G. Agarwal, Tran Quang, W. P. Schleich · Physical Review A · 1991
We calculate the spectrum of the micromaser for a wide range of pump parameters and propose a multiple microwave field method similar to the Ramsey fringe technique to measure this spectrum. Thus it becomes possible to investigate the phase diffusion in a fundamental system such as the micromaser.