光通信技术, 2020, 44 (2): 47, 网络出版: 2020-04-05   

硫化铅掺杂石英玻璃光纤喇曼增强特性研究

Study of Raman enhancement characteristics of PbS-doped silica fiber
作者单位
上海大学 上海先进通信与数据科学研究院, 上海200444
摘要
普通单模光纤的喇曼增益低, 严重制约了喇曼放大器的发展。因此, 研究高喇曼增益的光纤具有重要意义。研究了硫化铅掺杂石英玻璃光纤的喇曼散射增强特性。采用改进的化学气相沉积(MCVD)法分别制备出硫化铅掺杂石英玻璃光纤和普通单模光纤样品, 并测得其传输损耗谱和喇曼光谱, 实验结果表明: 硫化铅掺杂石英玻璃光纤具有更强的喇曼散射强度。在不同的泵浦功率条件下, 分别进行了喇曼放大实验, 相比于普通单模光纤, 硫化铅掺杂石英玻璃光纤具有更大的喇曼增益。
Abstract
The low Raman gain of ordinary single mode fiber severely restricts the development of the Raman amplifier. Therefore, the development of high Raman gain fiber had important significance. This paper studied the Raman scattering enhancement properties of PbS-doped silica fiber. PbS-doped silica fiber and ordinary single mode fiber samples were prepared by modified chemical vapor deposition(MCVD) and their transmission loss spectra and Raman spectra were measured. The experimental results showed that the PbS-doped silica fiber had stronger Raman scattering intensity. Under different pump power conditions, Raman amplification experiments were carried out. Compared with the ordinary single mode fiber, the PbS-doped silica fiber had larger Raman gain.
参考文献

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陈振宜, 陈惠, 商娅娜, 陈娜, 刘书朋. 硫化铅掺杂石英玻璃光纤喇曼增强特性研究[J]. 光通信技术, 2020, 44(2): 47. CHEN Zhenyi, CHEN Hui, SHANG Ya'na, CHEN Na, LIU Shupeng. Study of Raman enhancement characteristics of PbS-doped silica fiber[J]. Optical Communication Technology, 2020, 44(2): 47.

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