Abstract

The one atom micromaser^[1] is a fundamental system in quantum optics and is instrumental to the investigation of various quantum phenomena in the radiation-matter interaction. In the present paper we analyze another feature of this fundamental system - the micromaser spectrum - based on the following equation of motion for the density matrix ρ_n, n+k= ρn^(k) of the maser field: Here r is the injection rate of Rydberg atoms whose time of flight through and coupling strength with the cavity field are given by τ and g, respectively. The cavity decay rate is denoted by γ and n_b is the mean thermal photon number.

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