Second-order nonlinear optical compound and nonlinear optical element comprising the same
申请人:NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
公开号:US10754064B2
公开(公告)日:2020-08-25
Problem to Be Solved: to provide a chromophore having a far superior nonlinear optical activity to conventional chromophores and to provide a nonlinear optical element comprising said chromophore.
Solution: a chromophore comprising a donor structure D, a π-conjugated bridge structure B, and an acceptor structure A, the donor structure D comprising an aryl group substituted with a substituted oxy group; and a nonlinear optical element comprising said chromophore.
有待解决的问题:提供一种发色团,其非线性光学活性远远优于传统发色团,并提供一种包含所述发色团的非线性光学元件。
解决方案:一种发色团,包括供体结构 D、π-共轭桥结构 B 和受体结构 A,供体结构 D 包括被取代氧基取代的芳基;以及一种包含所述发色团的非线性光学元件。