Slowdown of The Group Velocity in Tm3+-doped Optical Fiber

QIU Wei; GAO Bo; LIN Peng; WANG Li-bo; LI Jia; JIANG Qiu-li

doi:10.3788/fgxb20153603.0328

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Slowdown of The Group Velocity in Tm³⁺-doped Optical Fiber

更新时间：2020-08-12

- Slowdown of The Group Velocity in Tm³⁺-doped Optical Fiber
- Chinese Journal of Luminescence Vol. 36, Issue 3, Pages: 328-332(2015)
- 作者机构：
  
  1. 辽宁大学物理学院,辽宁沈阳,110036
  2. 中国科学院理化技术研究所低温工程学重点实验室北京,100190
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20153603.0328
  CLC： O431.2
- Received：30 December 2014，
  
  Revised：16 January 2015，
  
  Published：03 March 2015
- 稿件说明：
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邱巍, 高波, 林鹏等. 室温条件下掺铥光纤放大器中光波群速减慢的研究[J]. 发光学报, 2015,36(3): 328-332

QIU Wei, GAO Bo, LIN Peng etc. Slowdown of The Group Velocity in Tm3+-doped Optical Fiber[J]. Chinese Journal of Luminescence, 2015,36(3): 328-332
邱巍, 高波, 林鹏等. 室温条件下掺铥光纤放大器中光波群速减慢的研究[J]. 发光学报, 2015,36(3): 328-332 DOI： 10.3788/fgxb20153603.0328.

QIU Wei, GAO Bo, LIN Peng etc. Slowdown of The Group Velocity in Tm3+-doped Optical Fiber[J]. Chinese Journal of Luminescence, 2015,36(3): 328-332 DOI： 10.3788/fgxb20153603.0328.

摘要

从掺铥离子光纤的速率方程和传输方程出发

建立了掺铥离子光纤放大器中光速减慢的理论模型

分析并讨论了介质的增益与泵浦光功率之间的关系。当掺铥离子光纤处于吸收区域时

粒子布居振荡导致光脉冲经历了饱和吸收过程

此时光脉冲传输延迟;当掺铥离子光纤处于增益区域时

粒子布居振荡导致光脉冲经历了增益饱和过程

此时脉冲传输超前。依据该理论模型进行了理论仿真计算

同时进行了室温条件下掺铥离子光纤中光波群速减慢传输的研究。

Abstract

According to the transition rates equation of the ground state population and the propagation equation

the numerical model of the group velocity slowdown was established. The relationship between the gain and pump power was analysized. In the absorption area of Tm

-dopedoptical fiber

the oscillation leads the pulse to experience absorption saturation

and the propagation delays. In the gain area of Tm

-doped optical fiber

this effect induces the pulse to experience gain saturation

and the propagation is in advance. According to the theoretical calculation

the group velocity slowdown is tunable due to coherent population oscillation in the Tm

-doped optical fiber amplifier at room temperature.

关键词

Keywords

references

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