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Graded index fiber based on ring-structure fiber core

A technology of graded refractive index and ring structure, which is applied in the direction of graded-refractive index core/cladding fiber, cladding fiber, optics, etc. It can solve the problems of complex polarization state and inability to guarantee long-distance stable transmission, etc., and achieve simple algorithm , reduce the spin-orbit angular momentum coupling effect, and improve the effect of degeneracy

Inactive Publication Date: 2017-05-24
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this core structure has a strong spin-orbit angular momentum coupling effect, resulting in a more complex polarization state.
In addition, since the orbital angular momentum is easily disturbed, this kind of fiber core cannot guarantee the long-distance stable transmission of specific mode groups

Method used

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  • Graded index fiber based on ring-structure fiber core
  • Graded index fiber based on ring-structure fiber core
  • Graded index fiber based on ring-structure fiber core

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Embodiment Construction

[0020] The accompanying drawings are for illustrative purposes only and cannot be construed as limiting the patent;

[0021] In order to better illustrate this embodiment, some parts in the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product;

[0022] For those skilled in the art, it is understandable that some well-known structures and descriptions thereof may be omitted in the drawings.

[0023] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0024] A graded-index optical fiber based on a ring-shaped core, the schematic diagram of which is shown in figure 1 Shown: figure 1 (a) is a cross-sectional view of an optical fiber, figure 1 (b) is the refractive index distribution diagram on the section diameter line, where, figure 1 The structure of (a) is as follows: 1 is the outer interface of the optical fiber cladding, 2 is the oute...

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Abstract

The invention relates to a graded index fiber based on a ring-structure fiber core. The fiber core of the optical fiber adopts a ring structure; a refractive index distribution manner of the fiber core with the ring structure adopts a graded type.

Description

technical field [0001] The present invention relates to the technical field of optical fibers for optical communication applications, and more specifically, to a graded-index optical fiber based on a ring-shaped core. Background technique [0002] As a cheap and efficient optical waveguide, optical fiber has been widely used in the field of communication, but the limited channel capacity of optical fiber itself restricts the development of the entire optical fiber communication system. [0003] At present, the use of multiplexing technology is the core solution to increase the capacity of Fiber Channel, but the current development trend of the capacity of commercial optical fiber communication systems cannot meet people's needs; part of the reason is that the traditional multiplexing technology has been perfected after years of research , unable to bring a breakthrough improvement to the channel capacity. In order to further improve the communication capacity, the prior art...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/028
CPCG02B6/0281
Inventor 陈钰杰朱国轩余思远
Owner SUN YAT SEN UNIV
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