Abstract
We predict a hysteretic three-photon cyclotron resonance in narrow-gap semiconductors driven by two laser beams with their frequency difference near the cyclotron frequency. This effect is based on the Doppler and Lorentz nonlinear mechanisms and the nonparabolicity of the conduction band. A CO2 laser intensity of 105–106 W/cm2 at 10.6 and 9.4 μm is required for observation of the effect at 83.03 μm in InSb, GaAs, or HgTe.
© 1987 Optical Society of America
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