Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Polarization-maintaining fiber with multi-core panda structure and its coupling device

A polarization-maintaining optical fiber and coupling connection technology, applied in the field of optical communication transmission, can solve problems such as difficulty in maintaining the polarization state of light waves, and achieve the effects of reducing polarization mode dispersion, dispersing stress, and reducing stress concentration

Active Publication Date: 2022-07-15
武汉长盈通光电技术股份有限公司
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a multi-core panda structure polarization maintaining optical fiber and its coupling connection device, which solves the problem that the optical wave polarization state is difficult to maintain in the multi-core optical fiber transmission signal

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Polarization-maintaining fiber with multi-core panda structure and its coupling device
  • Polarization-maintaining fiber with multi-core panda structure and its coupling device
  • Polarization-maintaining fiber with multi-core panda structure and its coupling device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] like Figure 1-11 Among them, a multi-core panda structure polarization-maintaining fiber includes a core layer and a stress layer arranged coaxially, the stress layer includes a plurality of circumferentially evenly distributed stress rods 102, the core layer includes a plurality of circumferentially evenly distributed fiber cores 103, and the fiber core 103 A cladding layer 101 is also provided at the midpoint of the line connecting adjacent stress rods 102 , and the cladding layer 101 covers the stress rod 102 and the core 103 .

[0040] Taking the stress layer including four stress rods as an example, the diameter D1 of the stress rods is 5 μm to 30 μm, and the diameters of the four stress rods can be the same or the same in pairs. The mole percentage of Ge is 0-18, the mole percentage of P is 0-13, the mole percentage of F is 0-22, and the mole percentage of B is 8-30. For the specific doping concentration, if four If the diameters of the stress rods are the same,...

Embodiment 2

[0067] A multi-core panda structure polarization-maintaining fiber, comprising a core layer, a stress layer, a cladding layer, and a marking region, wherein the stress layer is divided into four stress rods, all of which have the same diameter, and the same composition materials and doping concentrations. Symmetrically distributed in the cross area of ​​the central axis of the cladding, the core layer is divided into four cores, and each core is located at the midpoint of the line connecting two adjacent stress rods;

[0068] The parameters are as follows:

[0069] The stress layer consists of four identical stress rods with a diameter D1 of 30 μm and composed of SiO 2 and B 2 O 3 , where two stress rods are SiO 2 The molar content of 80%, B2O 3 The molar content is 20%,

[0070] SiO of two stress bars on opposite sides 2 The molar content of 90%, B 2 O 3 The molar content is 10%, the core layer includes 4 identical cores, the diameter D2 is 8 μm, and they are located ...

Embodiment 3

[0074] A multi-core panda structure polarization-maintaining fiber, comprising a core layer, a stress layer, a cladding layer, and a marking area, the stress layer is divided into four stress rods, the diameters of which are the same in pairs, and the doping concentrations of the four stress rods are the same. The same, the core layer is divided into four cores, each core is located at the midpoint of the line connecting two adjacent stress rods;

[0075] The parameters are as follows:

[0076] The stress layer consists of four identical stress rods, two of which are 36 μm in diameter and the two on the opposite side are 30 μm in diameter, composed of SiO 2 and B 2 O 3 , the stress bar of SiO 2 The molar content of 80%, B 2 O 3 The molar content is 20%; the core layer includes four identical cores with a diameter D2 of 8 μm, which are located at the midpoint of the line connecting two adjacent stress rods, and the composition material is Ge, P, F co-doped quartz glass, am...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
diameteraaaaaaaaaa
lengthaaaaaaaaaa
Login to View More

Abstract

The invention provides a multi-core panda structure polarization-maintaining fiber and a coupling and connecting device thereof. The multi-core panda structure polarization-maintaining fiber comprises a core layer and a stress layer arranged coaxially, the stress layer includes a plurality of stress rods uniformly distributed in the circumferential direction, and the core layer includes A plurality of fiber cores evenly distributed in the circumferential direction, the fiber cores are arranged at the midpoint of the connecting lines of adjacent stress rods, and a cladding layer is also provided, and the cladding coats the stress rods and the fiber cores; the coupling connection device includes a first multi-core panda structure polarization maintaining The optical fiber, the second multi-core panda structure polarization-maintaining optical fiber and the optical fiber connector, the end faces of the first multi-core panda structure polarization-maintaining fiber and the second multi-core panda structure polarization-maintaining optical fiber abut, the optical fiber connector includes a porous sleeve and an outer cylinder, and the porous The sleeve and the outer cylinder form an interlayer, the interlayer is provided with a liquid sac, and the two ends of the porous sleeve are provided with end caps. Multicore Panda Structure Polarization Maintaining Fiber.

Description

technical field [0001] The invention relates to the technical field of optical communication transmission, in particular to a multi-core panda structure polarization-maintaining optical fiber and a coupling and connecting device thereof. Background technique [0002] The ever-increasing demand for bandwidth capacity drives the rapid development of optical fiber communication technologies. For example, with the advent of the "5G" era, the information and communication industry should take the "new infrastructure" as an opportunity to accelerate the improvement of comprehensive technological innovation capabilities. At present, the transmission capacity of single-mode fiber has reached its limit, and there are endless solutions to increase capacity, such as space division multiplexing, optical wavelength division multiplexing, optical polarization multiplexing, optical time division multiplexing, optical orthogonal frequency division multiplexing, etc. Especially in space divi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/024G02B6/02G02B6/38
CPCG02B6/024G02B6/02042G02B6/02G02B6/3812G02B6/3818G02B6/3833G02B6/3843G02B6/3858G02B6/3885
Inventor 廉正刚陈未萍余倩卿刘璇袁磊卜兴华皮亚斌李长松余妍
Owner 武汉长盈通光电技术股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com