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Adjustable all-optical signal format conversion assembly, device and conversion method

A format conversion and optical signal technology, applied in the field of communication systems, can solve problems such as stealing secrets and reducing equipment reliability, and achieve the effects of easy transmission, avoiding conversion methods, and improving reliability.

Pending Publication Date: 2022-04-29
国网四川省电力公司天府新区供电公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 3. When the signal is processed in the electrical domain, there is a risk of being stolen by a network attack, resulting in a reduction in the reliability of the safe operation of the device

Method used

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  • Adjustable all-optical signal format conversion assembly, device and conversion method
  • Adjustable all-optical signal format conversion assembly, device and conversion method
  • Adjustable all-optical signal format conversion assembly, device and conversion method

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Embodiment

[0046] Such as figure 1 As shown, the embodiment of the present application provides an adjustable all-optical signal format conversion component, including a signal modulation component 2 and a nonlinear optical environment. The nonlinear optical environment includes a first coupler 31, a highly nonlinear optical fiber 32. An attenuator 33, a phase shifter 34 and a second coupler 35, the signal modulation component 2 is connected to the nonlinear optical environment, and the output end of the first coupler 31 is connected to the high nonlinear optical fiber 32 and the phase shifter 34 , the high nonlinear optical fiber 32 is connected with the attenuator 33, and the phase shifter 34 and the attenuator 33 are connected with the input end of the second coupler 35;

[0047] The signal modulation component 2 modulates the optical signal received by the all-optical format conversion component to obtain an 8QAM signal;

[0048] The first coupler 31 performs demultiplexing processi...

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Abstract

The invention discloses an adjustable all-optical signal format conversion assembly, device and conversion method, relates to the field of communication systems, and solves the problems that in the prior art, a photoelectric-optical conversion mode is adopted for 8QAM format conversion, signal transmission time delay is increased, high-speed large-capacity transmission of data traffic is not facilitated, and the conversion efficiency is high. A coupler, a high-nonlinearity optical fiber, a phase shifter and an attenuator are used for forming a nonlinear optical loop mirror, the nonlinear optical loop mirror is used for adjusting the amplitude state of an 8QAM signal, parameters of all assemblies in the nonlinear optical loop mirror are set, and the 8PSK or rectangular 8QAM signal is obtained. Therefore, network attacks on an electric layer can be effectively prevented, the processing of all-optical format conversion on signals of different modulation formats avoids a photoelectric-optical conversion mode, signal transmission time delay is reduced, and transmission of data traffic in a high-speed large-capacity transmission line is easier.

Description

technical field [0001] The invention relates to the field of communication systems, more specifically, it relates to an adjustable all-optical signal format conversion component, device and conversion method. Background technique [0002] With the rapid growth of data traffic in the network, the optical transport network has become the supporting network for high-speed data transmission. All-optical information processing technology can reduce the processing delay of network nodes and improve transmission bandwidth. At the same time, due to different network types such as long-distance networks and short-distance networks, the signal modulation formats for carrying data traffic are also different. Therefore, at network nodes, it is of great significance to construct all-optical format conversion nodes for existing modulation formats. As a high-order modulation signal, 8QAM signal is widely used in high-speed and large-capacity optical network, and different network types n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/2543H04B10/516
CPCH04B10/2543H04B10/516
Inventor 李乾坤杨雄伟杨家利许琦张虎胡珂珏陈涛向晓萍
Owner 国网四川省电力公司天府新区供电公司
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