Abstract
A simple analytical treatment based on the hydrodynamic model of plasmas is developed to study parametric oscillations of polaron modes in magnetized semiconductor plasmas. Second-order optical susceptibility arising due to nonlinear polarization and necessary threshold pump intensity are estimated using the data of an n-InSb crystal assumed to be irradiated by a frequency doubled 10.6 μm CO2 laser. The effect of transverse magnetostatic field on the threshold intensity of the single resonant parametric oscillator has been critically examined. The effects of some important parameters such as the cavity physical length, signal reflectance, conversion efficiency and single pass signal power gain on the threshold intensity are analyzed in detail.
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