Tunneling assisted two-photon absorption: The Nonlinear Franz-Keldysh Effect

  title={Tunneling assisted two-photon absorption: The Nonlinear Franz-Keldysh Effect},
  author={Hernando Garcia},
  journal={2005 Quantum Electronics and Laser Science Conference},
  • Hernando Garcia
  • Published 2005 in
    2005 Quantum Electronics and Laser Science…
The N-photon absorption coefficient of a direct-semiconductor is calculated under the influence of a DC-field. For N>2 the system presents the same structure as the Linear Franz-Keldysh effect, oscillations for homega>Eg/2, and tunneling for homega<Eg/2 

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