Enhancement of the third-order nonlinear optical susceptibility in epitaxial vanadyl-phthalocyanine films grown on KBr

被引：55

作者：

Fang, SL ^{[1
]}

Tada, H ^{[1
]}

Mashiko, S ^{[1
]}

机构：

[1] KANSAI ADV RES CTR, COMMUN RES LAB, NISHI KU, KOBE, HYOGO 65124, JAPAN

来源：

APPLIED PHYSICS LETTERS | 1996年 / 69卷 / 06期

关键词：

D O I：

10.1063/1.117885

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We determined the magnitude of the third-order nonlinear optical susceptibilities chi((3))(-3 omega; omega, omega, omega) of vanadyl-phthalocyanine (VOPc) films grown on KBr and fused silica substrates, using the third harmonic generation method at a wavelength of 1200 nm. The chi((3)) value of the him grown epitaxially on KBr was 2.87 x 10(-10) esu, which was greater by a factor of about 7.7 than that of a polycrystalline film grown on fused silica. The enhancement of chi((3)) in the epitaxial phase is associated with the optimized orientation of the two-dimensional pi-electron system in the condensed phase. (C) 1996 American Institute of Physics.

引用

页码：767 / 769

页数：3

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