Zhu, Y. (1997). Light amplification mechanisms in a coherently coupled atomic system
.
PHYSICAL REVIEW A, 55(6), 4568-4575. 10.1103/PhysRevA.55.4568
Zhu, Y. (1997). Light amplification mechanisms in a coherently coupled atomic system
. PHYSICAL REVIEW A, 55(6), 4568-4575. 10.1103/PhysRevA.55.4568