Abstract
Modeling of the optical field in phase-locked diode laser arrays is becoming increasingly important in interpreting the behavior of these devices. Radiation patterns emitted by experimental arrays are often complex1 and do not agree with a simple grating analysis of the near-field pattern. However, contributions to the far-field profile from amplitude and phase nonuniformities among the emitters are not well understood and need clarification. In addition, certain characteristics of an array’s radiation pattern can be enhanced by proper geometrical design,2 and it is useful to simulate these new structures to evaluate their relative performance and susceptibility to perturbations. Furthermore, modeling may suggest new designs for improved beam characteristics.
© 1985 Optical Society of America
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