The photon avalanche as a bifurcation phenomenon - Application to various Tm3+-doped materials

被引:6
作者
Guy, S [1 ]
Joubert, MF [1 ]
Jacquier, B [1 ]
机构
[1] UNIV LYON 1,CNRS,UMR 5620,LAB PHYSICOCHIM MATERIAUX LUMINESCENTS,F-69622 VILLEURBANNE,FRANCE
关键词
photon avalanche; up-conversion; nonlinear processes;
D O I
10.1016/S0022-2313(96)00247-5
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The photon avalanche, which is a general bifurcation phenomenon, is described using the Landau theory and we find an analytical expression of the critical slowing at threshold. As soon as the Gaussian intensity profile of the input beam is taken into account, the rate equation model reproduces quantitatively experimental results.
引用
收藏
页码:65 / 67
页数:3
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