Terahertz radiation from a shallow incidence-angle InAs emitter in a magnetic field irradiated with femtosecond laser pulses.

{
  "study_type": "engineering",
  "exposure": {
    "band": "THz",
    "source": "other",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": null,
  "sample_size": null,
  "outcomes": [
    "Terahertz radiation emission optimization (incidence angle and magnetic field geometry)",
    "Center frequency shift of terahertz radiation spectrum with incidence angle changes"
  ],
  "main_findings": "An optimized geometry for an InAs terahertz emitter irradiated with femtosecond laser pulses in a magnetic field is reported: magnetic field direction parallel to the semiconductor surface and an incidence angle slightly larger than the Brewster angle. A center frequency shift in the terahertz radiation spectrum was observed when changing the excitation laser incidence angle.",
  "effect_direction": "unclear",
  "limitations": [],
  "evidence_strength": "insufficient",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "terahertz radiation",
    "InAs emitter",
    "femtosecond laser pulses",
    "magnetic field",
    "incidence angle",
    "Brewster angle",
    "frequency shift"
  ],
  "suggested_hubs": []
}