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Electrooptic modulator

An electro-optical modulator and modulating electrode technology, which can be used in instruments, optics, nonlinear optics, etc., and can solve the problem that the information transmission rate needs to be improved.

Inactive Publication Date: 2018-03-06
SHENZHEN MLIAO TECH TRANSFER CENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The information transmission rate of the current electro-optic modulator needs to be improved

Method used

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  • Electrooptic modulator
  • Electrooptic modulator

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Embodiment Construction

[0023] see figure 1 and figure 2 , the electro-optical modulator 10 of the preferred embodiment of the present invention, which includes a substrate 110, a Y-shaped optical waveguide 120, a strip-shaped ground electrode 131, a strip-shaped first modulation electrode 132 and a strip-shaped second modulation electrode 133 . The base 110 includes a top surface 111 . The pair of Y-shaped optical waveguides 120 are diffused from the top surface 111 to the inside of the substrate 110, and include two first branches 121, one for transmitting transverse electric waves and one for transmitting transverse magnetic waves. The second branch 122 of the (transverse magnetic wave). The ground electrode 131, the first modulation electrode 132 and the second modulation electrode 133 are arranged on the top surface 111, the ground electrode 131 and the first modulation electrode 132 are respectively arranged on both sides of the first branch 121 and the ground The electrode 131 covers the ...

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Abstract

The invention provides an electrooptic modulator. The electrooptic modulator comprises a substrate, a Y-shaped light waveguide, a strip-shaped ground electrode, a strip-shaped first modulation electrode and a strip-shaped second modulation electrode. The substrate comprises a top surface. The Y-shaped light waveguide is formed by dispersing from the top surface to the inner part of the base and comprises a first branch which is only used for transmitting transverse electric waves and a second branch which is used only for transmitting transverse magnetic waves. The ground electrode, the firstmodulation electrode and the second modulation electrode are arranged on the top surface; the ground electrode and the first modulation electrode are arranged at two sides of the first branch respectively and the ground electrode covers the second branch; the second modulation electrode is arranged at one side, opposite to the first branch, of the second branch in parallel. Therefor, the transverse electric waves and the transverse magnetic waves are modulated through the first electrode and the second electrode respectively and information is loaded and transmitted; in the same time, the amount of the loaded and transmitted information is increased so that the information transmission speed is improved.

Description

[0001] This application is a divisional application of a patent with the application number 2012105031308, the application date is November 30, 2012, and the invention name is "Electro-optic modulator". technical field [0002] The invention relates to a high-speed optical communication system, in particular to an electro-optic modulator. Background technique [0003] An existing electro-optic modulator (Mach-Zehner electro-optic modulator) uses the electro-optic effect to change the refractive index of one of the two branches of the Y-shaped optical waveguide by modulating the electric field, thereby changing the light beam propagating in it , so that there is a phase difference between it and the beam transmitted in another branch of the Y-shaped optical waveguide. In this way, the light beams transmitted in the two branches of the Y-shaped optical waveguide will interfere after being recombined, and the output power depends on the phase difference, that is, it is determin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/035G02F1/03
CPCG02F1/0305G02F1/0316G02F1/035
Inventor 不公告发明人
Owner SHENZHEN MLIAO TECH TRANSFER CENT CO LTD