Spatiotemporal dynamics of dressed broad-area lasers

We analyse the spatiotemporal dynamics of a broad-area two-level laser in t he presence of a dressing field which is coupled to an adjacent transition, Thr dressing field induces Rabi splitting on one of the energy levels of t he laser transition, which modifies the traditional scenario of pattern for mation in two-level lasers. In particular, it is observed that phase rolls appear for any sign of the cavity detuning, and that two travelling-wave pa tterns with different wavenumbers can coexist near the threshold for a cert ain range Of detuning values. Reciprocally, it can be seen that the spatial dynamics alters the standard framework of electromagnetically induced gain splitting.