KR970048682A

KR970048682A - Light modulator

Info

Publication number: KR970048682A
Application number: KR1019950064237A
Authority: KR
Inventors: 송형승
Original assignee: 김광호; 삼성전자 주식회사
Priority date: 1995-12-29
Filing date: 1995-12-29
Publication date: 1997-07-29

Abstract

1. 청구 범위에 기재된 발명이 속한 기술분야 낮은 전압으로도 구동되며 빛의 전송효율을 높이고 굴절율변화를 일정하게 하기 위한 광도파로를 가지는 광변조기에 관한 것이다.1. TECHNICAL FIELD OF THE INVENTION The invention described in the claims is directed to an optical modulator, which is driven at low voltage and has an optical waveguide for increasing the light transmission efficiency and making the refractive index change constant.

2. 발명이 해결하려고 하는 기술적 과제 낮은 전압으로도 구동되며 빛의 전송 효율을 높이고 굴절율변화를 일정하게 하기 위한 광도파로를 가지는 광변조기를 제공함에 있다.2. SUMMARY OF THE INVENTION An object of the present invention is to provide an optical modulator, which is driven at a low voltage and has an optical waveguide for improving the transmission efficiency of light and maintaining a constant refractive index change.

3. 발명의 해결방벙의 요지 소정의 두께로 성장된 광전기 재료 내에 빛이 전송되는 특정 이온이 확산된 도파로를 가지며 상기 도파로의 상부에는 전계를 만들기 위한 제1전극으로 상기 빛의 흡수를 방지하기 위하여 버퍼층을 가지며 상기 광전기 재료의 하단부에는 상기 도파로의 폭과 동일한 폭으로 형성된 제2전극을 가지는 것을 요지로 한다.3. SUMMARY OF THE INVENTION In order to prevent absorption of the light with a first electrode for making an electric field on top of the waveguide, a specific ion to which light is transmitted is diffused in a photovoltaic material grown to a predetermined thickness. It is essential to have a buffer layer and to have a second electrode formed at the lower end of the optoelectronic material with the same width as that of the waveguide.

4. 발명의 중요한 용도 광변조기에 적합하게 사용된다.4. Important uses of the invention Suitable for optical modulators.

Description

Light modulator

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 (2A)(2B)(2C)(2D)(2E)(2F)는 본 발명의 일시시예에 따른 광 변조기를 제조하기 위한 공정을 보인 단면도.2 is a cross-sectional view showing a process for manufacturing an optical modulator according to one embodiment of the present invention (2A) (2B) (2C) (2D) (2E) and (2F).

Claims

In the optical modulator manufacturing process; A first step of growing the photovoltaic material to a predetermined thickness; A second step of forming a waveguide 2, which is a light transmission path, by diffusing a specific element to a predetermined depth in the resultant through the first step; A third step of forming a first buffer layer to a predetermined thickness to prevent reflection of light on the resultant product through the second step; A fourth step of applying a first electrode part corresponding to the waveguide on the first buffer layer after the third step; A fourth step of inverting the result of the fourth step and cutting the optoelectronic material layer to a predetermined thickness; And a fifth step of forming a second electrode portion corresponding to the waveguide on the cut photovoltaic material layer.

The method of claim 1; The buffer layer is an optical modulator manufacturing process, characterized in that to prevent the absorption of light to the first electrode.

The method of claim 1; Width of the first and second electrodes is the same as the width of the waveguide.

In an optical modulator; The photoelectric material grown to a predetermined thickness has a waveguide in which specific ions are diffused, and has a buffer layer on top of the waveguide to prevent absorption of the light as a first electrode for making an electric field. And a second electrode having a width equal to the width of the waveguide.

※ Note: The disclosure is based on the initial application.