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
CN106980189AActive Publication Date: 2017-07-25UNIV OF ELECTRONICS SCI & TECH OF CHINA

Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
UNIV OF ELECTRONICS SCI & TECH OF CHINA
Publication Date
2017-07-25

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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.
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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...

Claims

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