Non-collinear multi-wave mixing in a Doppler-broadened two-level medium

被引：2
|
作者：
de Oliveira, PC [1 ]
Leite, JRR
机构：
[1] Univ Fed Paraiba, Dept Fis, BR-58051970 Joao Pessoa, Paraiba, Brazil
[2] Univ Fed Pernambuco, Dept Fis, BR-50670901 Recife, PE, Brazil
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 1998年 / 67卷 / 05期
关键词：
D O I：
10.1007/s003400050553
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The angular dependence of the lineshapes in degenerate multi-wave mixing on a Doppler-broadened, one-photon resonant, two-level system was studied within the semi-classical density matrix formalism. The expressions describing four, six, and eight-wave mixing were numerically integrated for planar velocity distribution. Sub-Doppler resonance lines, associated with velocity selection in more than one axial direction, are shown to occur in a wide range of angles of non-collinear configurations. Lines narrower than the homogeneous width also appear, corresponding to high-order nonlinearities.
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页码：601 / 609
页数：9
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