Abstract

The third-order nonlinear optical susceptibility (χ3) of poly(N-vinylcarbazole) (PVK) and two other modified polymers based on carbazole derivatives has been measured by degenerate four-wave mixing at 532 nm in a tetrahydrofuran solution. The polymer exhibits large third-order nonlinear optical susceptibility (χ3) values. The calculated χ3 value for the copolymer 3-(2-metacryletoxy)carbonyl 7 diethylamin-coumarine (PC1MK), which was obtained by linking 2-(9-carbazolyl)ethyl methacrylate polymer with 3-(2-metacryletoxy)carbonyl 7 diethylamin-coumarine monomer, is approximately 3 times larger than those of poly(3-methoxy-N-vinyl)carbazole and (PVK).

© 2002 Optical Society of America

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