Ngimat Co.

Georgia Tech Research Corporation

Novartis Ag

Robert E Schwerzel

Andrew Tye Hunt

Todd A Polley

Yongdong Jiang

Zhiyong Zhao

Mark G Allen

Nile F Hartman

Scott Flanagan

David Kiesling

Fe Alma Gladden

John Wegman

Matthew Scott Vinson

J Eric McEntyre

J Stevenson Kenney

David William Rosen

Ameya S Limaye

Electronic and optical (or photonic) devices with variable or switchable properties and methods used to form these devices, are disclosed. More specifically, the present invention involves forming layers of conductive material and dielectric material or materials with varying conductivity and indexes of refraction to form various electronic and optical devices. One such layer of adjustable material is formed by depositing epitaxial or reduced grain boundary barium strontium titanate on the C-plane of sapphire.

Electronic and optical devices and methods of forming these devices

Optical waveguide composite materials and integrated optical subsystems with low loss connection to optical fibers, are disclosed. The waveguide material has a varying thickness and/or refractive index from one portion () to another () and can be varied in all three directions. Methods of producing the composite materials and waveguides are also disclosed.

Optical waveguides and integrated optical subsystems on-a-chip

An integrated-optic spectrometer is disclosed for analyzing the composition of light reflected off a sample under analysis. In a simplified embodiment, the spectrometer includes a buffer, located on the top of a substrate, which is etched to create a diffraction grating having grating lines. The diffraction grating and grating lines are formed to provide diffraction of discrete wavelengths of light, while providing for maximum transmission of non-diffracted wavelengths. A waveguide is fabricated on top of the etched buffer through which the reflected light is directed. A photodiode detector array is located above the waveguide into which the diffracted wavelengths are diffracted, providing an analysis of the composition of the reflected light. A clad encompasses the integrated-optic spectrometer, thereby providing protection from outside interference.

Integrated-optic spectrometer and method

Growing community of inventors

Alpharetta, GA, United States of America

Robert E Schwerzel