Space division multiplexing communication system and method and system for demultiplexing cvb channel

A technology for demultiplexing and channeling, applied in the field of data transmission, can solve the problems of lack of effective methods for demultiplexing CVB channels, etc., and achieve the effect of improving energy utilization rate, high energy utilization rate, and strong energy

Active Publication Date: 2019-11-22
深圳市深光谷科技有限公司
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Problems solved by technology

[0004] The main purpose of the present invention is to provide a space division multiplexing communication system and a method and system for demultiplexing CVB channels, which are used to solve the technical problem that the prior art lacks an effective method for demultiplexing CVB channels

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[0035] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0036] Since there is no effective method for demultiplexing CVB channels in the prior art, in order to solve the above technical problems, the present invention proposes a system for demultiplexing CVB channels.

[0037] see figure 1 , is a schematic structural diagram of a system for demultiplexing CVB channels provided by an embodiment of...

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Abstract

The present invention relates to the technical field of data transmission, and discloses a method and system for demultiplexing CVB (Cylindrical Vector Beam) channels. The system for demultiplexing CVB channels comprises an optical geometry device and a lens group, wherein the optical geometry device comprises an unpacking device and a phase corrector; the lens group comprises a first lens and a second lens; the phase corrector is located at a focus of the first lens, and the unpacking device is configured to expand a coaxial CVB having N steps to form two arc-shaped light spots; the two arc-shaped light spots enter the first lens; the first lens is used to expand the two arc-shaped light spots so as to enable the two arc-shaped light spots to be expanded into two parallel arc-shaped lightspots at the focus of the first lens; the phase corrector is used to correct the two parallel arc-shaped spot into two rectangular light spots; two rectangular light spots enter the second lens; andthe second lens is used to focus the two rectangular light spots to gather into N long-striped light spots. The system for demultiplexing CVB channels realizes the technical effect of simultaneously solving multiple CVB channels, and has high demultiplexing efficiency.

Description

technical field [0001] The invention relates to the technical field of data transmission, in particular to a space division multiplexing communication system and a method and system for demultiplexing CVB channels. Background technique [0002] As the amount of information continues to grow and modern society requires higher and higher data transmission rates, traditional optical communication multiplexing methods, such as time division multiplexing, frequency division multiplexing, code division multiplexing, and dense wavelength division multiplexing And other multiplexing technologies have approached the limit of optical fiber capacity. Space-Division Multiplexing (SDM, Space-Division Multiplexing), as a new fiber multiplexing method, is expected to break through the capacity limit of fiber channels. Space-division multiplexing is implemented using mutually orthogonal spatial modes, which include orbital angular momentum multiplexing (OAM, Orbital Angular Momentum) and c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04J14/00H04B10/25
CPCH04B10/25891H04J14/00
Inventor 方浚丞雷霆
Owner 深圳市深光谷科技有限公司
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