摘要
研究一个外场驱动上能级相干的能级系统。它可用来在任意态(裸态和缀饰态)均无粒子数反转时获得激光。
An energy-level system with upper-level coherence driven by an external field is investigated. It is shown that a laser may develop without the need of population inversion in any state (bare or dressed states).
出处
《物理学报》
SCIE
EI
CAS
CSCD
北大核心
1993年第8期1231-1235,共5页
Acta Physica Sinica
