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All-optical amplification method of optical soliton pulse string

A pulse train and optical soliton technology, applied in the field of optics, achieves the effect of flexible amplification methods

Active Publication Date: 2020-11-24
SHANXI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In summary, the current method of amplifying optical soliton pulse trains has certain limitations due to the limitation of amplifiers.

Method used

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Embodiment Construction

[0035] The present invention will be further described in detail with reference to the accompanying drawings and embodiments.

[0036] An all-optical amplification method for an optical soliton pulse train in an embodiment of the present invention, which includes the following steps:

[0037] S1, generating an initial optical soliton pulse train, and injecting the initial optical soliton pulse train into a single-mode optical fiber for transmission.

[0038] S2, control the transmission of the initial optical soliton pulse train z in the single-mode fiber A =23.8095-34.5238km, the peak power P of the initial optical soliton pulse train is reduced to 2.5788-0.4293W, and the attenuated optical soliton pulse train is obtained.

[0039] S3, z in single-mode fiber A The injected power is P 0 The continuous plane wave of is mixed with the attenuated optical soliton pulse train, and the form is The mixed wave, and let the mixed wave continue to transmit in the single-mode fiber....

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Abstract

The invention provides an all-optical amplification method of an optical soliton pulse string, belongs to the technical field of optics, and aims to solve the problem of certain limitation caused by limitation of an amplifier in the conventional mode of amplifying the optical soliton pulse string. According to the invention, a method of combining plane wave pumping and a frequency spectrum filteris utilized, so that direct amplification of the optical soliton pulse string can be realized. The amplification process represented by the amplification method is independent of factors such as the width, the central wavelength and the optical fiber doping concentration of the optical soliton pulse, can be suitable for optical fiber systems with high-order models and different modes, and particularly can realize direct amplification for an ultra-short optical soliton pulse string. The amplification method provided by the invention is not restricted by factors such as parameters of the amplifier, so that the amplification mode is relatively flexible.

Description

technical field [0001] The invention relates to the field of optical technology, in particular to an all-optical amplification method of an optical soliton pulse train. Background technique [0002] All-optical signal processing has higher speed, lower latency, and greater bandwidth than electrical signal processing. One of the goals of modern nonlinear optics is the development of ultrafast all-optical devices, of which all-optical amplifiers are an important part. Optical solitons are localized light waves propagating in optically nonlinear media that can travel long distances without changing their shape. Due to the potential application in optical communication and optical signal processing systems, a large number of studies on optical solitons have been carried out in the past few decades, such as the existence and stability of solitons, soliton collisions and interactions, and higher-order solitons. With the emergence of the concept of optical solitons, in the early ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/35G02F1/39
CPCG02F1/3513G02F1/395
Inventor 王艳李禄
Owner SHANXI UNIV