Low noise figure C+L-band erbium-droped fiber amplifier

Hangdong ZHANG; Li ZHAN

doi:10.11959/j.issn.1000−0801.2017133

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Low noise figure C+L-band erbium-droped fiber amplifier

research and development | 更新时间：2024-06-05

- Low noise figure C+L-band erbium-droped fiber amplifier
- Telecommunications Science Vol. 33, Issue 7, Pages: 120-123(2017)
- 作者机构：
  
  1. 浙江邮电职业技术学院，浙江绍兴 312016
  2. 上海交通大学物理系区域光纤通信网与新型光通信系统国家重点实验室，上海 200240
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000−0801.2017133
  CLC： TN253
- Published Online：2017-07，
  
  Published：20 July 2017
- 稿件说明：
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Hangdong ZHANG, Li ZHAN. Low noise figure C+L-band erbium-droped fiber amplifier[J]. Telecommunications science, 2017, 33(7): 120-123.
DOI：

Hangdong ZHANG, Li ZHAN. Low noise figure C+L-band erbium-droped fiber amplifier[J]. Telecommunications science, 2017, 33(7): 120-123. DOI： 10.11959/j.issn.1000−0801.2017133.

摘要

提出并论证了一种新的低噪声系数C+L波段掺铒光纤放大器的结构。在该结构中，利用一个前置放大器以减少噪声系数，并利用一个带有光纤布拉格光栅的双通结构以增加 L波段增益，同时减少噪声系数。实验结果表明，新宽带放大器的噪声系数减小了约2 dB，并且在1 525～1 605 nm波长范围内，增益提高到了25 dB以上。

Abstract

A new configuration of the low noise figure C+L-band erbium-doped fiber amplifier was proposed and demonstrated.In the proposed configuration

a preamplifier was used to reduce the noise figure

and an improved double-pass configuration with a fiber bragg grating was employed to enhance the L-band gain and while to reduce the noise figure.The experiment results demonstrate that the noise figure in the new broad-band amplifier was improved by −2 dB

and the gain was enhanced up to above 25 dB over the region from 1 525～1 605 nm.

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references

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