Near-field localization of ultrashort optical pulses in transverse 1-D periodic nanostructures

被引：16

作者：

Nakagawa, W ^{[1
]}

Tyan, RC ^{[1
]}

Sun, PC ^{[1
]}

Fainman, Y ^{[1
]}

机构：

[1] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA

来源：

OPTICS EXPRESS | 2000年 / 7卷 / 03期

关键词：

D O I：

10.1364/OE.7.000123

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a transverse 1-D periodic nanostructure which exhibits lateral internal field localization for normally incident ultrashort pulses, and which may be applied to the enhancement of nonlinear optical phenomena. The peak intensity of an optical pulse propagating in the nanostructure is approximately 12 times that of an identical incident pulse propagating in a bulk material of the same refractive index. For second harmonic generation, an overall enhancement factor of approximately 10.8 is predicted. Modeling of pulse propagation is performed using Fourier spectrum decomposition and Rigorous Coupled-Wave Analysis (RCWA). (C) 2000 Optical Society of America.

引用

页码：123 / 128

页数：6

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