消除模间干涉现象的光纤光栅模式转换器

赵润晗; 孟欣禹; 赵云鹤; 司晓龙; 刘云启

doi:10.3788/IRLA201847.1222001

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消除模间干涉现象的光纤光栅模式转换器

赵润晗, 孟欣禹, 赵云鹤, 司晓龙, 刘云启

文章导航 > 红外与激光工程 > 2018 > 47(12): 1222001-1222001(7)

赵润晗, 孟欣禹, 赵云鹤, 司晓龙, 刘云启. 消除模间干涉现象的光纤光栅模式转换器[J]. 红外与激光工程, 2018, 47(12): 1222001-1222001(7). doi: 10.3788/IRLA201847.1222001

引用本文:

Zhao Runhan, Meng Xinyu, Zhao Yunhe, Si Xiaolong, Liu Yunqi. Mode converter based on fiber grating to eliminate intermode interference phenomenon[J]. Infrared and Laser Engineering, 2018, 47(12): 1222001-1222001(7). doi: 10.3788/IRLA201847.1222001

Citation:

Zhao Runhan, Meng Xinyu, Zhao Yunhe, Si Xiaolong, Liu Yunqi. Mode converter based on fiber grating to eliminate intermode interference phenomenon[J]. Infrared and Laser Engineering, 2018, 47(12): 1222001-1222001(7). doi: 10.3788/IRLA201847.1222001

消除模间干涉现象的光纤光栅模式转换器

doi: 10.3788/IRLA201847.1222001

1.
上海大学通信与信息工程学院特种光纤与光接入网实验室,上海 200444

基金项目:

国家自然科学基金（61377083）

详细信息

作者简介:
赵润晗(1992-),女,硕士生,主要从事光纤光栅和特种光纤技术方面的研究。Email:zzzzrh@126.com

中图分类号: TN253

Mode converter based on fiber grating to eliminate intermode interference phenomenon

1.
Key Lab of Specialty Fiber Optics and Optical Access Networks,School of Communication and Information Engineering,Shanghai University,Shanghai 200444,China

摘要: 光纤通信技术占据了目前通信传输的主要地位，但基于波分复用技术的单模光纤通信系统目前则面临着严重的信道容量危机，因此基于多模/少模光纤的模分复用技术逐渐得到了人们的重视。模式转换器是模分复用技术中的重要器件之一，而长周期光纤光栅是一种很好的全光纤模式转换器。在利用长周期光纤光栅完成LP01到LP11模式转换的基础上，这种新型的模式转换器利用多模光纤消除了模式间干涉，从而使模式转换的模式纯度更高、稳定性更好，在模式转换效率达到99.5%的同时还可以保证几乎没有模式间干涉现象的产生。同时，这种模式转换器的多种传感特性也良好，其对拉力有着很好的线性灵敏性，可以达到2.83 nm/N和5.66 dB/N，因此此结构在未来的模分复用及传感领域会有重要的作用。
- 模式转换 /
- 模分复用 /
- 长周期光纤光栅 /
- 少模光纤
Abstract: Optical fiber communication technology has occupied the main position of the current communication transmission. But the single mode optical fiber (SMF) communication system based on wavelength-division-multiplexing (WDM) technology is now facing severe channel capacity crisis. Therefore, mode-division-multiplexing (MDM) technology based on the multimode or few mode fiber (FMF) has got the attention of many researchers. Mode Converter (MC) is one of the most important components in MDM technology, and long period fiber grating (LPFG) is a perfect all-fiber mode converter. The LPFG is used to convert LP01 mode to LP11 mode, and the multimode fiber is also used to eliminate inter-mode interference phonemenon in this mode converter. By using this mode converter, the converted mode has higher purity and better stability. The mode conversion efficiency reached 99.5% and there is no inter-mode interference phenomenon between these two modes. This MC device has good sensing characteristics, and this device has good linear sensitivity of strain, it can reach to 2.83 nm/N and 5.66 dB/N. So it can be concluded that this novel structure has excellent performance and will play an important role in the future application of optical fiber MDM and sensing field.
- mode converter /
- mode division multiplexing /
- long period fiber grating /
- few mode fiber

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消除模间干涉现象的光纤光栅模式转换器

doi: 10.3788/IRLA201847.1222001

1. 上海大学通信与信息工程学院特种光纤与光接入网实验室,上海 200444

作者简介:
赵润晗(1992-),女,硕士生,主要从事光纤光栅和特种光纤技术方面的研究。Email:zzzzrh@126.com

收稿日期: 2018-07-10
修回日期: 2018-08-28
刊出日期: 2018-12-25

基金项目:

国家自然科学基金（61377083）

中图分类号: TN253

关键词:

摘要: 光纤通信技术占据了目前通信传输的主要地位，但基于波分复用技术的单模光纤通信系统目前则面临着严重的信道容量危机，因此基于多模/少模光纤的模分复用技术逐渐得到了人们的重视。模式转换器是模分复用技术中的重要器件之一，而长周期光纤光栅是一种很好的全光纤模式转换器。在利用长周期光纤光栅完成LP01到LP11模式转换的基础上，这种新型的模式转换器利用多模光纤消除了模式间干涉，从而使模式转换的模式纯度更高、稳定性更好，在模式转换效率达到99.5%的同时还可以保证几乎没有模式间干涉现象的产生。同时，这种模式转换器的多种传感特性也良好，其对拉力有着很好的线性灵敏性，可以达到2.83 nm/N和5.66 dB/N，因此此结构在未来的模分复用及传感领域会有重要的作用。

English Abstract

Mode converter based on fiber grating to eliminate intermode interference phenomenon

1. Key Lab of Specialty Fiber Optics and Optical Access Networks,School of Communication and Information Engineering,Shanghai University,Shanghai 200444,China

Received Date: 2018-07-10
Rev Recd Date: 2018-08-28
Publish Date: 2018-12-25

Keywords:

Abstract: Optical fiber communication technology has occupied the main position of the current communication transmission. But the single mode optical fiber (SMF) communication system based on wavelength-division-multiplexing (WDM) technology is now facing severe channel capacity crisis. Therefore, mode-division-multiplexing (MDM) technology based on the multimode or few mode fiber (FMF) has got the attention of many researchers. Mode Converter (MC) is one of the most important components in MDM technology, and long period fiber grating (LPFG) is a perfect all-fiber mode converter. The LPFG is used to convert LP01 mode to LP11 mode, and the multimode fiber is also used to eliminate inter-mode interference phonemenon in this mode converter. By using this mode converter, the converted mode has higher purity and better stability. The mode conversion efficiency reached 99.5% and there is no inter-mode interference phenomenon between these two modes. This MC device has good sensing characteristics, and this device has good linear sensitivity of strain, it can reach to 2.83 nm/N and 5.66 dB/N. So it can be concluded that this novel structure has excellent performance and will play an important role in the future application of optical fiber MDM and sensing field.