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Arrays of coupled semiconductor lasers are systems possessing radicallycomplex dynamics that makes them useful for numerous applications in beamforming and beam shaping. In this work, we investigate the spatialcontrollability of oscillation amplitudes in an array of coupled photonicdimers, each consisting of two semiconductor lasers driven by differentialpumping rates. We consider parameter values for which each dimer's stablephase-locked state has become unstable through a Hopf bifurcation and we showthat, by assigning appropriate pumping rate values to each dimer,large-amplitude oscillations coexist with negligibly small amplitudeoscillations. The spatial profile? of the amplitude of oscillations across thearray can be dynamically controlled by appropriate pumping rate values in eachdimer. This feature is shown to be quite robust, even for random detuningbetween the lasers, and suggests a mechanism for dynamically reconfigurableproduction of a large diversity of spatial profiles of laser amplitudeoscillations.

Spatial Control of Localized Oscillations in Arrays of Coupled Laser Dimers