作者: Zhen-Fei Luo , Zhi-Zhan Xu
DOI: 10.1016/0375-9601(92)90245-H
关键词: Inversion (meteorology) 、 Lasing without inversion 、 Laser 、 Optics 、 Atomic coherence 、 Population inversion 、 Lasing threshold 、 Physics 、 Equations of motion 、 Atomic physics
摘要: Abstract A simple three-level system with atomic coherence produced in two lower levels can show lasing without inversion and for different combinations of external conditions. dressed-state analysis is presented, from which the physical mechanism behind these phenomena found.