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Terahertz wave modulator and method

A modulation method and modulator technology, applied in the optical field, can solve the problem that the terahertz wave modulator cannot realize nonlinear modulation, etc., and achieve the effect of enhancing high-order nonlinear effects and realizing nonlinear modulation.

Pending Publication Date: 2022-04-12
SHENZHEN METALENX TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to solve the technical problem that the terahertz wave modulator based on semiconductor materials cannot realize nonlinear modulation in the related art, the embodiment of the present application provides a terahertz wave modulator and method

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  • Terahertz wave modulator and method

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Embodiment Construction

[0040] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. A preferred embodiment of the application is shown in the drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this application more thorough and comprehensive.

[0041] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to and integrally integrated with the other element, or there may be an intervening element at the same time. The terms "mounted", "one end", "the other end" and similar expressions are used herein for the purpose of description only.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commo...

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Abstract

The invention provides a terahertz wave modulator and a method, and belongs to the technical field of optics. The terahertz modulator comprises a nanostructure layer and a two-dimensional material layer, wherein the nanostructure layer is arranged on one side of the two-dimensional material layer; the nanostructure layer and the two-dimensional material layer are stacked to form a heterojunction; the nanostructure layer comprises a plurality of nanostructures which are periodically arranged; the two-dimensional material layer comprises at least one layer of two-dimensional material with nonlinear conductivity. According to the terahertz modulator provided by the embodiment of the invention, the high-order nonlinear effect of the incident terahertz wave is enhanced for multiple times, and the modulation depth of the terahertz wave is enhanced, so that the nonlinear modulation of the terahertz wave is realized.

Description

technical field [0001] The present application relates to the field of optical technology, in particular, to a terahertz wave modulator and method. Background technique [0002] Terahertz technology has been rated as "Top Ten Technologies Changing the Future World". Terahertz waves are between the microwave band and the infrared band, and combine multiple disciplines such as optoelectronics, semiconductors and materials. An area of ​​research that is being vigorously developed. [0003] Related technologies realize the modulation of terahertz waves by changing the gate voltage of semiconductor heterojunction field effect transistors to regulate the opening and closing of artificial unit openings of metamaterials. [0004] In the process of implementing the present application, the inventors found that there are at least the following problems in the related art: [0005] Terahertz wave modulators based on semiconductor (such as gallium nitride) materials in the prior art c...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/00G02F1/355
Inventor 朱瑞朱健郝成龙谭凤泽
Owner SHENZHEN METALENX TECH CO LTD
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