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Frequency stabilizer for multi-wavelength fiber laser

A fiber laser and multi-wavelength technology, applied in the field of optical communication, can solve problems such as narrow bandwidth, and achieve the effect of wide laser output bandwidth, guaranteed bandwidth, and multi-use requirements

Inactive Publication Date: 2018-11-30
HANGZHOU DIANZI UNIV
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AI Technical Summary

Problems solved by technology

[0004] Therefore, the existing multi-wavelength Brillouin lasers have a narrow bandwidth, and there are still areas for improvement

Method used

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  • Frequency stabilizer for multi-wavelength fiber laser
  • Frequency stabilizer for multi-wavelength fiber laser
  • Frequency stabilizer for multi-wavelength fiber laser

Examples

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Embodiment Construction

[0025] The technical solution of the present invention will be further described and illustrated through specific embodiments below, so that the technical solution will be clearer and clearer.

[0026] Unless otherwise specified, the raw materials used in the examples of the present invention are commonly used raw materials in the art, and the methods used in the examples are conventional methods in the art.

[0027] In the technical solution of the present invention, a four-port coupler is used to connect a single-mode fiber to form a Brillouin cavity to generate multi-order laser signals, and a highly nonlinear fiber connected to a circulator is used to increase the multi-wavelength output bandwidth and power. The present invention utilizes erbium-doped fiber, single-mode fiber and high nonlinear fiber together as gain medium.

[0028] Such as figure 1 As shown, this embodiment discloses a frequency stabilization device for a multi-wavelength fiber laser, including an adjus...

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Abstract

The invention discloses a frequency stabilizer for a multi-wavelength fiber laser. The frequency stabilizer is characterized in that an adjustable light source (1), a first optical coupler (2), a first optical circulator (4), a wavelength division multiplexer (7), a second optical circulator (9), a high-nonlinearity optical fiber (10) and a pumping light source (11) are included, the adjustable light source (1), the first optical coupler (2), the first optical circulator (4), the wavelength division multiplexer (7), the second optical circulator (9) and the high-nonlinearity optical fiber (10)are sequentially connected, and the pumping light source (11) is connected with the wavelength division multiplexer (7). According to the frequency stabilizer, fiber system integration is easy, the output power of the multi-wavelength fiber laser is effectively balanced, and the output bandwidth of the multi-wavelength fiber laser is increased.

Description

technical field [0001] The invention belongs to the technical field of optical communication, and in particular relates to a frequency stabilization device for multi-wavelength fiber lasers. Background technique [0002] In order to improve the communication capacity, the modern optical fiber WDM communication system is developing towards more and more channels. At present, the most direct way to provide multi-channel signals is to use multiple single-wavelength lasers. Simply increasing the number of light sources will inevitably lead to Therefore, the development and application of multi-wavelength lasers with stable performance are more valued by people. Multi-wavelength lasers can provide the required light sources for multiple channels at the same time, making the design of the optical transmitter more compact and economical, so they are very important in DWDM systems. At the same time, multi-wavelength light sources with excellent performance are also of great applica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/067H01S3/13H01S3/137
CPCH01S3/06708H01S3/13H01S3/137
Inventor 周雪芳周豫李曾阳刘珂毕美华杨国伟胡淼李齐良
Owner HANGZHOU DIANZI UNIV
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