Phase-dependent inversionless gain in a four-level atomic system with a closed interaction loop

徐卫华, 吴金辉, 高锦岳

Xu Wei-Hua(徐卫华), Wu Jin-Hui(吴金辉), and Gao Jin-Yue(高锦岳)

中国物理B . 2007, (2): 441 -448 . DOI: 10.1088/1009-1963/16/2/026