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A graphene-based photonic crystal fiber

A photonic crystal fiber and graphene technology, applied in the directions of cladding fiber, optical waveguide light guide, light guide, etc., can solve the problems of high loss, inability to realize optical and electrical adjustment, and inability to control optical characteristics of optical fiber, and achieve low loss. Effect

Active Publication Date: 2018-05-25
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its shortcomings: it cannot regulate the optical characteristics of the fiber, the loss is high, and it cannot realize optical and electrical adjustment

Method used

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  • A graphene-based photonic crystal fiber
  • A graphene-based photonic crystal fiber

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] exist figure 1 In the schematic diagram of the present invention shown, the graphene-based photonic crystal fiber mainly includes a cladding and a core. The cladding is distributed with multi-layer cladding air holes 1. The multi-layer cladding air holes can be distributed in a regular hexagonal shape, and many air holes are regularly arranged along the axial direction of the central air hole, and the air holes are arranged in parallel along the axis of the optical fiber. . The fiber core is a central air hole 2 with a hollow structure, an axial central air hole is provided at the center of the section, and a graphene layer 3 is coated on the inner wall of the central air hole. The inner wall of the cladding air hole adjacent to the fiber core is coated with a graphene layer 4 , and the cladding air hole whose inner wall is coated with the graphene layer is uniform and symmetrical with respect to the center of the fiber core. The graphene layer is single-layer graphen...

Embodiment 2

[0016] exist figure 2 In the schematic diagram of the present invention shown, the graphene-based photonic crystal fiber mainly includes a cladding and a core. The cladding is distributed with multi-layer cladding air holes 5. The multi-layer cladding air holes can be distributed in a regular hexagonal shape, and many air holes are regularly arranged along the axis of the central air hole, and the air holes are arranged in parallel along the axis of the optical fiber. . The fiber core is a solid core structure, and the inner wall of the cladding air hole adjacent to the fiber core is coated with a graphene layer 6, and the cladding air hole whose inner wall is coated with the graphene layer is uniform and symmetrical with respect to the center of the fiber core. The graphene layer is single-layer graphene or multi-layer graphene laminated, the photonic crystal fiber is made of quartz or quartz polymer, and the core or cladding is doped with rare earth.

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Abstract

A photonic crystal optical fiber based on grapheme comprises a cladding and a fiber core. A plurality of layers of cladding air apertures is distributed in the cladding. The plurality of layers of cladding air apertures can be distributed in the shape of a hexagon, a triangle, or a circle, etc. A plurality of air tunnels is regularly arranged in an axial direction along a center air aperture. The air tunnels are arranged in parallel along an optical fiber axis. The fiber core can be a hollow structure or a solid-core structure for the center air aperture. A graphene layer is a single layer of graphene or a plurality of layers of graphene which are laminated. The photonic crystal optical fiber is made of quartz or quartz polymers. The fiber core or the cladding is doped with rare earth. According to the invention, through coating the inner wall of the hollow photonic crystal optical fiber center air aperture or the inner walls of the cladding air apertures close to the fiber core of the solid-core photonic crystal with the graphene, regulation and control of optical characteristics of the optical fiber is realized through utilization of excellent optical and electrical regulation and control capability of the graphene. The graphene photonic crystal optical fiber which is low in cost, and adjustable in light and electricity and has important effects in the fields such as optical fiber communication, sensing and novel optical devices.

Description

technical field [0001] The invention relates to the technical field of photonic crystal fiber. Background technique [0002] The construction of high-speed dense wavelength division multiplexing optical fiber network has become the main direction of the development of optical fiber communication technology. As one of the key components in optical fiber network, the design and performance improvement of high-speed electro-optic modulator has always been one of the international research hotspots in the field of optical communication. [0003] Compared with ordinary optical fiber, it has the characteristics of infinite single-mode transmission, high birefringence, and high nonlinearity, and is widely used in the fields of optical fiber sensing, communication, and nonlinear optics. Its shortcomings: it cannot regulate the optical characteristics of the fiber, the loss is high, and it cannot realize optical and electrical adjustment. Contents of the invention [0004] The obj...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/02
CPCG02B6/02328G02B6/02342
Inventor 毕卫红付广伟付兴虎刘强王晓愚
Owner YANSHAN UNIV