Model of a two--transverse mode laser with injected signal
  We derive a simple model for a two transverse mode laser (that considers the TEM00 and TEM10 modes) in which an injected signal with the shape of the TEM10 mode but a frequency close to that of the TEM00 mode is injected. 
G.J. de Valcarcel, E. Roldan, and K. Staliunas