Generation of terahertz radiation by bulk and surface optical rectification from Generation of terahertz radiation by bulk and surface optical rectification from crystal planes of arbitrary orientation crystal planes of arbitrary orientation
Nanoporous honeycomb membranes on InP (111) surfaces emit ultrafast coherent terahertz pulses under near-infrared optical excitation. Irradiating the membranes with heavy noble gas Kr or Xe ions enhances the terahertz emission. The emission does not vary with in-plane magnetic field rotation and exhibits three-cycle dependence on azimuthal-angle rotation. Both suggest the terahertz source is not transient currents but optical rectification enhanced by the heavy-ion irradiation.
The role of optical rectification in the generation of terahertz radiation from The role of optical rectification in the generation of terahertz radiation from GaBiAs GaBiAs
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