Coherent accumulation in two-level atoms excited by a train of ultrashort pulses

被引：66

作者：

Felinto, D ^{[1
]}

Bosco, CAC ^{[1
]}

Acioli, LH ^{[1
]}

Vianna, SS ^{[1
]}

机构：

[1] Univ Fed Pernambuco, Dept Fis, BR-50670901 Recife, PE, Brazil

来源：

OPTICS COMMUNICATIONS | 2003年 / 215卷 / 1-3期

关键词：

accumulation; coherence; pulse train;

D O I：

10.1016/S0030-4018(02)02230-7

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper we consider the interaction of inhomogeneously broadened two-level atoms with a train of pulses from a femtosecond mode-locked laser. Analytical results are obtained for the case in which the atomic relaxation times are longer then the laser repetition period, leading to accumulation in both population and coherence. These results are adequate for arbitrary pulse areas, and saturation effects are discussed. We illustrate our analytical results with a comparison to a direct numerical integration of the Bloch equations. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：69 / 73

页数：5

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