Pidgeon, C. and Vass, A. and Allan, G. R. and Prettl, Wilhelm and Eaves, L.
Nonlinear Far-Infrared Magnetoabsorption and Optically Detected Magnetoimpurity Effect in n-GaAs.
Physical Review Letters (PRL) 50 (17), pp. 1309-1312.
Measurements have been made of cw nonlinear far-infrared magnetoabsorption in pure, partially compensated n-GaAs. A new optical observation of the magnetoimpurity resonance has been demonstrated. Analysis in terms of a three-level model gives effective lifetimes of ∼0.5 μs "off resonance" and 30 ns "on resonance," implying the possibility of laser action in the former case.