Phase-conjugate reflectivity obtained by degenerate four-wave mixing are measured in different azo dye solutions. A reflectivity up to 80% was achieved. Values of the nonlinear susceptibility χ(3) are calculated, and its origin is discussed.
© 1988 Optical Society of America
Sylvain Mailhot, Pierre Galarneau, Roger A. Lessard, and Marguerite-Marie Denariez-Roberge, "Degenerate four-wave mixing in organic azo dyes chrysoidin and benzopurpurin 4B," Appl. Opt. 27, 3418-3421 (1988)