Near-field imaging of nonlinear optical mixing in single zinc oxide nanowires

被引：283

作者：

Johnson, JC ^{[1
]}

Yan, HQ ^{[1
]}

Schaller, RD ^{[1
]}

Petersen, PB ^{[1
]}

Yang, PD ^{[1
]}

Saykally, RJ ^{[1
]}

机构：

[1] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

来源：

NANO LETTERS | 2002年 / 2卷 / 04期

关键词：

D O I：

10.1021/nl015686n

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The nonlinear optical response of semiconductor nanowires has potential application for frequency conversion in nanoscale optical circuitry. Here, second- and third-harmonic generation (SHG, THG) are imaged on single zinc oxide (ZnO) nanowires using near-field scanning optical microscopy (NSOM). The absolute magnitudes of the two independent chi((2)) elements of a single wire are determined, and the nanowire SHG and THG emission patterns as a function of incident polarization are attributed to the hexagonal nanowire geometry and chi((2)) tensor symmetry.

引用

页码：279 / 283

页数：5

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