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Graphene micro-striped line traveling wave absorptive type light modulator based on strip-shaped light waveguide

A technology of optical modulator and microstrip line, which is applied in the field of optoelectronics, can solve the problems of small modulation bandwidth and achieve the effects of increasing modulation bandwidth, improving modulation efficiency, and being easy to integrate

Active Publication Date: 2017-07-25
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the graphene-based optical modulator is limited by the larger RC constant of the lumped electrode structure in the prior art, resulting in a relatively small modulation bandwidth, and provides a graphene-based strip optical waveguide Microstrip Traveling Wave Absorption Optical Modulator

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  • Graphene micro-striped line traveling wave absorptive type light modulator based on strip-shaped light waveguide
  • Graphene micro-striped line traveling wave absorptive type light modulator based on strip-shaped light waveguide
  • Graphene micro-striped line traveling wave absorptive type light modulator based on strip-shaped light waveguide

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[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] A graphene microstrip line traveling wave absorption optical modulator based on a strip optical waveguide, such as figure 1 , figure 2 and image 3 As shown, it includes a strip optical waveguide 2 arranged on a silicon dioxide substrate layer 1; the strip optical waveguide 2 divides the surface of the substrate layer 1 into two parts, the two sides of the strip optical waveguide 2, and the silicon dioxide substrate layer 1 is provided with a first dielectric filling layer 31 and a second dielectric filling layer 32; the upper surface of the strip optical waveguide 2 is sequentially provi...

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Abstract

The invention discloses a graphene micro-striped line traveling wave absorptive type light modulator based on strip-shaped light waveguide, solves the problem that modulation bandwidth is relatively small based on the grapheme light modulator being limited by larger RC constant of the lumped electrode structure in the prior art, and belongs to the technical field of photoelectron. The modulator comprises a substrate layer, a strip-shaped light waveguide, a dielectric filler layer, and a micro-striped line traveling wave electrode structure, wherein the strip-shaped light waveguide and the dielectric filler layer are arranged on the surface of the substrate layer; and the micro-striped line traveling wave electrode structure is arranged on the strip-shaped light waveguide. The graphene micro-striped line traveling wave absorptive type light modulator based on the strip-shaped light waveguide is used for realizing light modulation rate.

Description

technical field [0001] The invention discloses a graphene microstrip line traveling wave absorption optical modulator based on a strip optical waveguide, which is used to realize the optical modulation rate and belongs to the field of optoelectronic technology. Background technique [0002] With the advent of the era of big data, data communication services are growing explosively, which makes people's demand for bandwidth higher and higher, which also determines the development of optical transmission systems in the direction of ultra-high speed, large capacity, and integration. Optical modulators and optical switches are the core devices in optical communication networks, and play an important role in the construction of optical communication networks. At present, optical modulators based on various mechanisms have been developed and prepared successively, and the current commercialized modulators are mainly based on lithium niobate materials and InP-based optical modulato...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/035G02F1/03
CPCG02F1/0316G02F1/035
Inventor 陆荣国叶胜威刘天良夏瑞杰陈德军张尚剑刘永
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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