On the parametric approximation in quantum optics

被引：0
|
作者：
D'Ariano, GM
Paris, MGA
Sacchi, MF
机构：
[1] Univ Pavia, Dipartimento Fis Alessandro Volta, I-27100 Pavia, Italy
[2] Univ Pavia, INFM, Unita Pavia, I-27100 Pavia, Italy
来源：
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B-GENERAL PHYSICS RELATIVITY ASTRONOMY AND MATHEMATICAL PHYSICS AND METHODS | 1999年 / 114卷 / 03期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We perform the exact numerical diagonalization of the Hamiltonians that describe both degenerate and nondegenerate parametric amplifiers, by exploiting the conservation laws pertaining each device. We clarify the conditions under which the parametric approximation holds, showing that the most relevant requirement is the coherence of the pump after the interaction, rather than its undepletion.
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页码：339 / 354
页数：16
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