Optics and Spectroscopy

, Volume 119, Issue 2, pp 216–220 | Cite as

Nonlinear optical absorption in crystals with deep impurities: II. Band–impurity phototransitions involving free electrons

  • E. Yu. Perlin
  • R. S. Levitskii
  • A. V. Ivanov
  • K. A. Eliseev
Condensed-Matter Spectroscopy

Abstract

We propose a new mechanism for transitions of electrons from deep impurity levels to the conduction band under the action of light with photon energy E t smaller than ionization energy Et of the impurity center. Energy deficiency δ = E t ω is covered by the kinetic energy of free electrons in the conduction band.

Keywords

Conduction Band Impurity State Impurity Center Energy Deficiency Deep Impurity 

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Copyright information

© Pleiades Publishing, Ltd. 2015

Authors and Affiliations

  • E. Yu. Perlin
    • 1
  • R. S. Levitskii
    • 1
  • A. V. Ivanov
    • 1
  • K. A. Eliseev
    • 1
  1. 1.ITMO UniversitySt. PetersburgRussia

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