Modified Kramers-Kronig relations and sum rules for meromorphic total refractive index

被引：6

作者：

Peiponen, KE

Vartiainen, EM

Saarinen, JJ

机构：

[1] Univ Joensuu, Dept Phys, FIN-80101 Joensuu, Finland

[2] Lappeenranta Univ Technol, Dept Phys, FIN-53851 Lappeenranta, Finland

来源：

PHYSICAL REVIEW A | 2003年 / 68卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.68.025802

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Modified Kramers-Kronig relations and corresponding sum rules are shown to hold for the total refractive index that can be presented as a sum of complex linear and nonlinear refractive indices, respectively. It is suggested that a self-action process, involving the degenerate third-order nonlinear susceptibility, can yield a negative total refractive index at some spectral range.

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页数：3

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