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Bichromatic emission and multimode dynamics in bidirectional ring lasers

Pérez-Serrano, Antonio; Javaloyes, Julien; Balle, Salvador
Physical Review A 81, 043817 (1-13) (2010)

The multimode dynamics of a two-level ring laser is explored numerically using a bidirectional traveling wave model retaining the spatial effects due to the presence of counter-propagating electric fields in the population inversion. Dynamical regimes where the emission in each direction occurs at different wavelengths are studied. Mode-locked unidirectional emission for large gain bandwidth and relatively small detuning is reported.