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Organic polymer optical waveguide absorption type light modulator based on buried graphene electrode

A graphene electrode, optical modulator technology, applied in the fields of instrumentation, optics, nonlinear optics, etc., can solve the problems of low electro-optic modulation efficiency, high cost, weak interaction, etc., achieve fast carrier migration rate, easy to prepare , a variety of effects

Inactive Publication Date: 2019-08-20
JILIN UNIV
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Problems solved by technology

[0005] The main purpose of the present invention is to provide an organic polymer optical waveguide absorption optical modulator based on a buried graphene electrode to solve the problems of weak interaction between graphene and light, high cost and electro-optic modulation existing in the current modulator. The problem of low efficiency

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  • Organic polymer optical waveguide absorption type light modulator based on buried graphene electrode
  • Organic polymer optical waveguide absorption type light modulator based on buried graphene electrode
  • Organic polymer optical waveguide absorption type light modulator based on buried graphene electrode

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Embodiment 1

[0031] as attached figure 1 As shown, a strip-shaped organic polymer optical waveguide absorption optical modulator based on buried graphene electrodes consists of a substrate layer 1, an organic polymer waveguide lower cladding layer 2, a first organic polymer waveguide core layer 9, and a second organic polymer waveguide core layer. A graphene layer 8, a dielectric insulating layer 10, a second graphene layer 3, a second organic polymer waveguide core layer 6, an organic polymer waveguide upper cladding layer 5, a left electrode 7 and a right electrode 4; the organic polymer waveguide The width of the upper cladding layer 5 is smaller than the width of the lower cladding layer 2 of the organic polymer waveguide, and the left electrode 7 and the right electrode 4 are located at the first graphene layer 8 and the second graphene layer exposed on the left and right sides of the organic polymer waveguide upper cladding layer 5 The upper surface of layer 3; the first organic poly...

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Abstract

The invention provides an organic polymer optical waveguide absorption type light modulator based on a buried graphene electrode, which belongs to the technical field of planar light waveguide absorption type light modulators based on graphene. The light modulator is composed of a substrate layer, an organic polymer waveguide lower cladding layer, a first organic polymer waveguide core layer, a first graphene layer, a dielectric insulating layer, a second graphene layer, a second organic polymer waveguide core layer, an organic polymer waveguide upper cladding layer, a left electrode and a right electrode. According to the invention, an organic polymer material is used to design a waveguide structure; the graphene layers are transferred to the middle of the waveguide core layer, so that the interaction of graphene with light is enhanced to achieve faster carrier migration rate; the working rate of the light modulator is improved; when the organic polymer material without electro-opticeffect is used, a graphene chemical potential is regulated through bias voltage; the function of an electro-optic modulator is realized; and the cost of the device is reduced.

Description

technical field [0001] The invention belongs to the technical field of graphene-based planar optical waveguide absorption optical modulators, in particular to an organic polymerization based on buried graphene electrodes using silicon as a substrate and organic polymer materials as waveguide core and cladding materials Optical waveguide absorption optical modulator. Background technique [0002] In recent years, with the continuous application of big data, cloud computing and other technologies in information communication, the process of informatization has been accelerated, which has also led to a blowout growth in communication services. According to relevant data, the data information flow that Baidu, Ali, China Mobile, China Unicom and other data centers need to process is increasing year by year. This trend makes people's demand for optical modules with high-speed signal propagation and modulation functions grow rapidly. Optical modulators play an indispensable role i...

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Application Information

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IPC IPC(8): G02F1/03G02F1/035
CPCG02F1/0316G02F1/035
Inventor 王希斌廉天航张大明姜明慧王力磊牛东海
Owner JILIN UNIV
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