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Anisotropy in two-photon direct creation of biexcitons in CuBr cubic crystals

Authors
Publisher
Elsevier Ltd
Publication Date
Volume
19
Issue
6
Identifiers
DOI: 10.1016/0038-1098(76)90072-7
Disciplines
  • Mathematics
  • Physics

Abstract

Abstract The polarization dependence of two-photon absorption is considered in the case of CuBr crystals. Geometrical selection rules for direct creation of Γ 1, Γ 3 and Γ 5 biexcitons are provided. Using the fact that the absorption to Γ 3 and Γ 5 final states exhibits anisotropy with respect to the crystal axes, several geometrical situations for separating experimentally biexciton lines are discussed.

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