MEROMORPHIC DEGENERATE NONLINEAR SUSCEPTIBILITY - PHASE RETRIEVAL FROM THE AMPLITUDE SPECTRUM

被引：26

作者：

VARTIAINEN, EM ^{[1
]}

PEIPONEN, KE ^{[1
]}

机构：

[1] UNIV JOENSUU,DEPT PHYS,VAISALA LAB,SF-80101 JOENSUU 10,FINLAND

来源：

PHYSICAL REVIEW B | 1994年 / 50卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.50.1941

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A problem in studying optical nonlinearities is the fact that the important analyzing tools-the dispersion relations for nonlinear susceptibilities-can be applied only in the nondegenerate case (excluding the cases of harmonic generation). We show that a maximum entropy procedure can be utilized in computing the phase of the complex degenerate nonlinear susceptibility [e.g., chi(3)(omega,omega, -omega)] from its amplitude spectrum [\chi(3)(omega)\, omega1 less-than-or-equal-to omega less-than-or-equal-to omega2].

引用

页码：1941 / 1944

页数：4

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