Phenyltetraene-based nonlinear optical chromophores with enhanced chemical stability and electrooptic activity.
"Push-pull" phenyltetraene-based chromophores are too sensitive to be incorporated into Diels-Alder-type cross-linkable polymers due to the reactivity of its diene segment with maleimides. A facile synthetic route has been explored to incorporate a methoxy group into the R position of such chromophores, which reduces their diene reactivity during the poling and lattice hardening process. The poled polymers with one of such chromophores doped in a cross-linked polymer lattice showed ultrahigh electro-optic activities, up to 306 pm/V at 1310 nm.
Luo
Jingdong
J
Department of Materials Science & Engineering, University of Washington, Seattle, Washington 98195, USA.
Huang
Su
S
Cheng
Yen-Ju
YJ
Kim
Tae-Dong
TD
Shi
Zhengwei
Z
Zhou
Xing-Hua
XH
Jen
Alex K-Y
AK