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

Kuang Yao Lo; Juh Tzeng Lue

doi:10.1109/68.334840

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

Kuang Yao Lo, Juh Tzeng Lue

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We have attempted to measure the second har- monic generation (SHG) of YBa₂Cu₃O_7- _δ(YBCO) epitaxial films grown on (001) M_gO 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 language	English
Pages (from-to)	1362-1364
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	6
Issue number	11
DOIs	https://doi.org/10.1109/68.334840
Publication status	Published - 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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title = "The Detection of Optical Second Harmonic Generation From High Tc YBa2Cu307 Epitaxial Thin Films",

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.",

author = "Lo, {Kuang Yao} and Lue, {Juh Tzeng}",

note = "Funding Information: Manuvxipt received May 16, 1994; revised July 5. 1994. This work was supported by the National Science Council of the Republic of China under Contract NIC X2-02 I2-M007-009. The author5 arc wjith the Department of' Physics and The Department of Electrical Engincering, National Tsing Hua University, Hsin Chu, Taiwan, ROC. IEEE 1,og Numher 9406041.",

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

Abstract

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