Method and device for generating transmittable high-power pulse string

A high-power pulse, center frequency technology, applied in the field of nonlinear optics research, can solve the problem that high-power pulse trains cannot be stably transmitted

Active Publication Date: 2014-10-22
SHANXI MEDICAL UNIV
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Problems solved by technology

[0005] In order to solve the technical problem that the current high-power pulse train with continuous wave background cannot be st

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  • Method and device for generating transmittable high-power pulse string
  • Method and device for generating transmittable high-power pulse string
  • Method and device for generating transmittable high-power pulse string

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Embodiment Construction

[0050] A method for generating a transmittable high-power pulse train, comprising the following steps: (a) generating a beam of continuous wave background high-power pulse train; (b) dividing the continuous wave background high-power pulse train into at least two beams, the first beam Input into an optical spectrum analyzer 8, the second beam is input to an optical tunable band-stop filter 7; said optical tunable band-stop filter 7 is a tunable filter with a narrow band band-stop filtering function; (c ) Analyze the wavelength of the pump wave represented by the center frequency of the continuous wave background high-power pulse train according to the optical spectrum analyzer 8, and determine the center wavelength that needs to be filtered by adjusting the optical tunable band-stop filter 7, and the continuous wave background The central frequency part of the high-power pulse train is filtered to obtain a high-power pulse train with zero background that can be transmitted.

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Abstract

The invention belongs to the field of nonlinear optical research, and in particular relates to a method and a device for generating a transmittable high-power pulse string. The technical problem that the current high-power pulse string with continuous wave background cannot transmit stably is solved. The device for generating the transmittable high-power pulse string comprises the following steps: a, generating a beam of high-power pulse string with continuous wave background; b, separating the beam of high-power pulse string with continuous wave background into at least two beams, wherein the first beam is input into an optical spectrum analyzer, and the second beam is input into an optical adjustable band-strop filter; c, according to the wave length of pump wave, represented by the center frequency of the high-power pulse string with continuous wave background, analyzed by the optical spectrum analyzer, filtering the back ground waves of the center frequency part of the high-power pulse string with continuous wave background to obtain the transmittable high-power pulse string with zero background. The method and the device for generating the transmittable high-power pulse string are simple, convenient and efficient, and have important application value in high-power pulse transmission in optical fiber communication.

Description

technical field [0001] The invention belongs to the field of nonlinear optics research in optical communication, and specifically relates to a method and a device for generating transmittable high-power pulse trains. Background technique [0002] With the increasing transmission speed of information technology, in recent years, optical fiber communication technology has been widely valued and applied. Among them, increasing the capacity of the communication system, increasing the communication rate, and increasing the pulse power are important research directions. At present, the capacity of the communication network is improved mainly by using technical means such as wavelength division multiplexing and time division multiplexing. However, to improve the information capacity in a single channel, it is necessary to generate high-quality ultra-short pulses with a high repetition rate. However, the limited average power and low energy utilization limit the application of thes...

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Application Information

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IPC IPC(8): G02F1/365
Inventor 杨光晔王艳董磊马维光张雷张秀花李禄
Owner SHANXI MEDICAL UNIV
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