Abstract
We discuss the optical properties of a novel phase-coupled 8 × 8 grid contact vertical-cavity surface-emitting laser array. In addition to the usual out-of-phase array mode, we demonstrate for the first time to our knowledge in-phase surface-emitting laser-array coupling. Four array modes, (1, 1), (1, N), (N, 1), and (N, N) are characterized by comparing far-field distributions and spectra. We introduce a simple physical model to describe our experimental results.
© 1993 Optical Society of America
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