Abstract
Abstract Strong (300 mW) narrow-band stimulated cyclotron resonance emission has been observed from the light holes in germanium in crossed electric and magnetic fields. We have achieved the widest tuning range yet reported for a single sample concentration, in the absence of external stress. A numerical analysis, including non-parabolic and ‘quantum’ effects, has enabled us to evaluate a previous perturbation treatment of the cross-field laser problem.
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