An experimental investigation of the near-field pattern and integrated emission spectra of stripe-geometry injection lasers is reported. It is shown that self- Q - swltching of the stripe laser output occurs when several transverse lasing modes are excited simultaneously as they interact. Maxima on the envelopes of transverse modes of different order are separated by an interval of the order of 20 A determined by the difference in the excitation thresholds of the modes involved.
Department of the Physics of Oscillations
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