Glass-based ion exchange optical waveguide chip integrating light-emitting function of copper ions

Abstract

The invention discloses a glass-based ion exchange light waveguide chip integrating the light-emitting function of copper ions. A local area of the surface of a glass substrate has a copper ion diffusion region; a strip doped region is formed in the glass substrate by using an ion exchange method; a strip doped region with the light-emitting function is formed in an overlapping region of the strip doped region and the copper ion diffusion region; and the refractive index of the strip doped area is higher than that of the glass substrate, the refractive index of the strip doped region with the light-emitting function is higher than that of the copper ion diffusion region, and the other portion of the strip doped region and the strip doped region with the light-emitting function form a strip light waveguide core part in a mode of end surface coupling. The glass-based ion exchange light waveguide chip realizes the light-emitting function of the light waveguide in the area needed on the light waveguide chip, realizes integration of the light-emitting function on the glass substrate, has the obvious characteristics of simple manufacturing technique and high coupling efficiency and the like, provides a new structure for realizing the integration of the light-emitting function of the glass-based integrated optical chip, and leads the design of the glass-based integrated optical chip to be more flexible.

Description

technical field [0001] The invention relates to an integrated optical device, in particular to a glass-based ion-exchanged optical waveguide chip with integrated copper ion light emitting function. Background technique [0002] Integrated optical circuit means that on the surface of the same substrate, optical waveguides are made of materials with a slightly higher refractive index, and various optical devices such as light sources and gratings are made on this basis. Through this integration, the miniaturization, weight reduction, stabilization and high performance of the optical system can be realized. With the development of modern optical fiber communication technology and optical fiber sensing technology, people pay more and more attention to integrated optical devices. [0003] The materials used for the production of integrated optical devices mainly include III-V semiconductor materials such as Si, silicon dioxide, gallium arsenide and indium phosphide, polymers, gl...

AI Technical Summary

Problems solved by technology

This structured optical waveguide as a whole has the luminous properties of copper ions, but this optical waveguide can only realize the luminous function in the entire strip-shaped copper ion diffusion region 2', and it is difficult to realize the luminous function in the selected area of ​​the glass substrate 1 , the flexibility is not strong in the design process of optical waveguide chips

Images