Degenerate four-wave mixing in a two-level absorbing (or amplifying) system is treated, leading to a quantitative description of amplified reflection, oscillation, and phase conjugation.
© 1978 Optical Society of America
Original Manuscript: December 20, 1977
Published: April 1, 1978
R. L. Abrams and R. C. Lind, "Degenerate four-wave mixing in absorbing media," Opt. Lett. 2, 94-96 (1978)