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Electro-optical polymer waveguide mode conversion switch for mode multiplexing technology

A mode conversion and mode division multiplexing technology, applied in the field of optical communication, can solve problems such as insufficient working wavelength range, slow conversion speed, and insufficient stability, and achieve good practical application value, low dielectric constant, and fast electro-optical response speed Effect

Inactive Publication Date: 2019-08-27
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
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Problems solved by technology

The reconfigurable mode converters (i.e., mode switches) reported so far include tunable mode converters driven by ultrasonic waves, long-period waveguide grating mode converters introduced by the electro-optical effect, and asymmetric Mach-Zehnder interference structures based on polymer materials. Thermo-optic mode converters, etc. These devices have problems such as insufficient stability, complex structure, slow conversion speed, and insufficient operating wavelength range

Method used

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  • Electro-optical polymer waveguide mode conversion switch for mode multiplexing technology
  • Electro-optical polymer waveguide mode conversion switch for mode multiplexing technology
  • Electro-optical polymer waveguide mode conversion switch for mode multiplexing technology

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Embodiment Construction

[0029] In order to facilitate those skilled in the art to understand the technical content of the present invention, the content of the present invention will be further explained below in conjunction with the accompanying drawings.

[0030] figure 1 and image 3 They are two types of mode conversion switches with long-period waveguide grating structure provided by the present invention. In the following description, the direction of the electro-optic effect of the core layer is taken as the z direction, the longitudinal axis direction of the core layer is taken as the y direction, and the transverse axis direction of the core layer is taken as the x direction. figure 1 and image 3 The two devices shown are all made of polymer materials, and the core electro-optic polymer material has an electro-optic coefficient r in the z direction 33 .

[0031] The electro-optic polymer waveguide junction mode changeover switch that is used for mode division multiplexing technology of ...

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Abstract

The invention discloses an electro-optical polymer waveguide mode conversion switch for a mode multiplexing technology, and is applied to the field of optical communication. Aiming at the problems ofinsufficient stability, structure complexity, relatively slow conversion speed, insufficient working wavelength range and the like of an existing reconfigurable mode converter, a mode switch of voltage control and electric tuning is achieved by electro-optical effects of a long-period grating structure and an electro-optical polymer, and a novel electro-optical mode converter is constructed; and the device has the advantages of rapid conversion speed, low half-wave voltage, low cost and the like and has good actual application value.

Description

technical field [0001] The invention belongs to the field of optical communication, in particular to a technology for realizing the reconfigurable mode conversion function in a polymer waveguide device by using an electro-optical polymer material. Background technique [0002] With the continuous popularization of information technology and new communication services such as 3D online games, video conferencing, and videophone brought by high-tech information technology, the global network capacity ushered in explosive growth. In the next three decades, the transmission capacity of the global optical fiber communication network is expected to increase by a thousand times to meet the growing demand of the communication market. At present, the improvement of the system capacity of wavelength division multiplexing technology is rapidly approaching the Shannon limit of single-mode optical fiber transmission. Although researchers are still working hard to optimize the efficiency ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/065
CPCG02F1/065
Inventor 吴杰云王文陈开鑫郑建成
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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