A composition for preparing a nonlinear optic material including an organic chromophore that is polarized by an electric field, a precursor that can form an inorganic material polymer by a sol-gel reaction, and a compatibilizer that can bind to both the organic chromophore and the inorganic material polymer, wherein the organic chromophore includes a functional group at a terminal end that can bind to both the inorganic material polymer and the compatibilizer, a nonlinear optic material prepared from the composition, a method of preparing the nonlinear optic material, and an electro-optic device including the nonlinear optic material are disclosed.

The present invention provides an electro-optic polymer (EO polymer) comprising an electro-optic molecule (EO molecule) and a base polymer. The EO polymer of the present invention has good performance over the entire optical communication wavelength range and therefore can preferably be used for the production of optical modulators, optical switches, optical transceivers, optical phased arrays, LiDAR (light detection and ranging) devices, electric field sensors, terahertz wave generators and detectors, etc.

The present disclosure provides a method for producing a laminate for non-linear optics.

The present disclosure provides a method for producing a laminate for non-linear optics.

A compound for spacing nonlinear optical chromophores of the Formula I

##STR00001##

and the commercially acceptable salts, solvates and hydrates thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, W, X, Y, Z, Q.sup.1, Q.sup.2, Q.sup.4 and L have the definitions provided herein.

A composition for preparing an electro-optic material including a first polyimide having a high molecular weight, and a second polyimide having a lower molecular weight and including a structural unit including a chromophore functional group in the side chain, an electro-optic material including the composition, an electro-optic device including the electro-optic material, and a method of preparing the electro-optic material.

The invention relates to an electrooptical device comprising a semiconductor substrate having a front side and a back side, at least one photonic component arranged on the front side of the semiconductor substrate, the photonic component comprising an active layer made of a non-linear optical material, wherein at least one cavity, extends through the semiconductor substrate and connects the active layer on the front side of the semiconductor substrate with the back side of the semiconductor substrate.

The invention relates to an electrooptical device comprising a semiconductor substrate having a front side and a back side, at least one photonic component arranged on the front side of the semiconductor substrate, the photonic component comprising an active layer made of a non-linear optical material, wherein at least one cavity, extends through the semiconductor substrate and connects the active layer on the front side of the semiconductor substrate with the back side of the semiconductor substrate.

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 -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.

A photonic crystal structure employs such a structure that two layers having different refractive indices are laminated alternately, a polymer including a structure unit derived from a monomer that contains a fluorocarbon group being used for one of the repeated layers such that the photonic crystal structure can respond to humidity and/or organic solvent concentration. Using the photonic crystal structure, it is possible to manufacture a color-conversion photonic crystal sensor having excellent sensitivity and reproduction characteristics.