可重新配置的NIR发射增益通过多模式三胺 tellurite纤维的热控制
Optics express
|August 13, 2025
概括
研究人员通过控制三胺氨酸纤维中的热量群来增强光纤通信. 这增加了C,L和U电信频段的信号增益和带宽.
科学领域:
- 光子学 是一个光子学.
- 光学通信是指光学通信.
- 材料科学 材料科学 材料科学
背景情况:
- 光纤系统面临着日益增长的数据需求,紧张的链路容量.
- 宽频增益和透明度对于高效的光学系统至关重要.
- 在宽光带上保持一致的增益仍然是一个挑战.
研究的目的:
- 增强信号强度,扩大电信频段的发射范围.
- 为了克服在广泛光学光谱中保持增益的瓶.
- 为了改善性能,研究三胺 tellurite 纤维的热量控制.
主要方法:
- 使用一个30厘米的三化 (Er3+-Tm3+-Yb3+) 多模 Tellurite 纤维 (3Dp-MM-Te-纤维).
- 通过调整纤维温度来控制使用的热量.
- 在980nm抽取光纤,在1550nm抽取0.1mW信号.
主要成果:
- 温度上升导致在1530nm左右的蓝色转移.
- 从1550nm到1650nm观察到平面增益,这是由于辅助剂之间的能量转移.
- 实现了超过100nm的带宽.
- 在120°C时,实验证明了~2.5dB的相对增强.
结论:
- 热量控制有效地增强和扩大C,L和U电信频段的辐射.
- 三胺 tellurite 纤维显示了下一代光通信系统的潜力.
- 该研究强调了一种可行的方法,用于实现光纤的宽频谱增益.
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