Coherent Control of the Effective Susceptibility through Wave Mixing in a Duplicated Two-Level System

被引：21

作者：

Hashmi, F. A. ^{[1
]}

Bouchene, M. A. ^{[1
]}

机构：

[1] Univ Toulouse 3, IRSAMC, CNRS, UMR 5589,Lab Collis Agregats React, F-31062 Toulouse 4, France

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.101.213601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We theoretically demonstrate the coherent control of the effective susceptibility of a duplicated two-level system. The control is obtained for a linearly polarized weak field in the presence of a much stronger orthogonally polarized field. For small optical depths, the effective susceptibility chi(eff) behaves as chi(lin)e(2i phi) (chi(lin) is the linear susceptibility, phi the phase shift) allowing coherent control of the optical response. For large optical depths, chi(eff)approximate to chi(*)(lin), turning an absorber into an amplifier without affecting the dispersion.

引用

页数：4

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