The Detection of Optical Second Harmonic Generation From High Tc YBa2Cu307 Epitaxial Thin Films

Kuang Yao Lo, Juh Tzeng Lue

Research output: Contribution to journalArticlepeer-review

Abstract

We have attempted to measure the second har- monic generation (SHG) of YBa2Cu3O7- δ(YBCO) epitaxial films grown on (001) MgO substrates by laser ablation. Since the structure of the film has inversion symmetry, the possibly SHG susceptibility can only be attributed to the antifer-romagnetic dipoles and electric quadrupoles. The delicate and meticulous experiment shows that the angular dependence of the second harmonic susceptibility of the superconducting films can be fitted successfully by the time-dependent density functional approach.

Original languageEnglish
Pages (from-to)1362-1364
Number of pages3
JournalIEEE Photonics Technology Letters
Volume6
Issue number11
DOIs
Publication statusPublished - 1994 Nov

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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