Nonlinear envelope equation for broadband optical pulses in quadratic media

被引：75

作者：

Conforti, Matteo ^{[1
]}

Baronio, Fabio

De Angelis, Costantino

机构：

[1] Univ Brescia, CNISM, I-25123 Brescia, Italy

来源：

PHYSICAL REVIEW A | 2010年 / 81卷 / 05期

关键词：

DEPENDENT SELLMEIER EQUATION; PROPAGATION; GENERATION; INDEX;

D O I：

10.1103/PhysRevA.81.053841

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We derive a nonlinear envelope equation to describe the propagation of broadband optical pulses in second-order nonlinear materials. The equation is first order in the propagation coordinate and is valid for arbitrarily wide pulse bandwidth. Our approach goes beyond the usual coupled wave description of chi((2)) phenomena and provides an accurate modeling of the evolution of ultra-broadband pulses also when the separation into different coupled frequency components is not possible or not profitable.

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页数：4

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