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Laser light source system for 5G communication network optical fiber transmission system

A technology of optical fiber transmission and communication network, applied in the field of laser, it can solve the problems of laser power change, different laser gain and loss, etc.

Inactive Publication Date: 2020-05-22
方砾琳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the actual application of these frequency modulation methods, due to the different laser gain and loss at different laser frequencies, this will lead to significant changes in laser power during the frequency modulation process, which will bring large errors to certain applications of frequency modulation lasers

Method used

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  • Laser light source system for 5G communication network optical fiber transmission system

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Embodiment

[0018] Such as figure 1 Shown is a laser light source system for the optical fiber transmission system of the 5G communication network provided by the embodiment of the present invention, which includes a laser 1, a coupling component 2 and an optical fiber transmission channel 3, and the laser output from the laser 1 passes through the coupling component 2 from the optical fiber transmission channel 3 transmission, all parts of the laser 1 are controlled by the circuit.

[0019] Specifically, the laser 1 includes a laser cavity 11, one end of the laser cavity 11 is provided with an output coupling end 12, and the laser cavity 11 is composed of optical and mechanical components, so that the damage in the laser cavity 11 is smaller than the gain to generate laser light, and from the output The coupling end 12 outputs laser light, and the coupling part 2 is connected to the output coupling end 12. The output coupling end 12 is composed of one or more optical-mechanical component...

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Abstract

The invention discloses a laser light source system for a 5G communication network optical fiber transmission system. The laser light source system comprises a laser, a coupling part and an optical fiber transmission channel, an output coupling end is arranged at one end of a laser cavity, a laser is generated in the laser cavity, the coupling part is connected with the output coupling end, and again and power controller, a frequency tuning and phase controller, a frequency stabilizing system, an output power stabilizing system and an output polarization controller are arranged in the laser cavity. According to the invention, the gain and power controller ensures that the laser generates rated output power under various conditions, the frequency and the phase of the output laser are adjusted according to an instruction through a frequency tuning and phase controller, a frequency stabilization system ensures that the laser frequency is stabilized in a specific range under various working conditions, an output power stabilizing system ensures that the laser output power is stabilized within a specific range under various working conditions, and an output polarization controller ensures that the output laser meets the specific polarization degree requirement.

Description

technical field [0001] The invention relates to the field of laser technology, in particular to a laser light source system used in a 5G communication network optical fiber transmission system. Background technique [0002] A laser is a device capable of emitting laser light. Since the luminescent mechanism is different from ordinary light sources, lasers have some excellent characteristics that ordinary light sources do not have, such as good directivity, high brightness, good monochromaticity and coherence, etc. These characteristics make lasers widely used in industry, military, etc. , communications, medicine and scientific research and many other fields have been widely used. Since the world's first laser invented by Maiman came out in 1960, laser technology has experienced rapid development for more than 50 years, and the types of lasers have also continued to increase. According to the properties of the gain medium, lasers can be divided into several categories such...

Claims

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Application Information

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IPC IPC(8): H01S3/10H01S3/13
CPCH01S3/10061H01S3/13
Inventor 方砾琳
Owner 方砾琳
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