概括
研究人员使用一种新型的跨相调制 (XPM) 方案在-联合化纤维 (EYDF) 放大器中实现了一百瓦级的平面宽带超连续 (SC). 这种方法利用双波长放大来实现前所未有的光谱宽度和输出功率.
科学领域:
- 非线性光学是一种非线性光学.
- 光纤光学是指光纤的使用.
- 激光物理学的激光物理学
背景情况:
- 超连续 (SC) 生产对于各种应用至关重要.
- 跨相调制 (XPM) 是实现平面宽带SC的关键机制.
- 大模式区域 (LMA) 纤维放大器为高功率SC生成提供了潜力.
研究的目的:
- 展示一种用于产生高功率,平面宽带SC.的新方案.
- 为了利用 LMA erbium-ytterbium联合合纤维 (EYDF) 放大器的增益和分散特性.
- 为了实现SC输出超过百瓦级功率.
主要方法:
- 使用双波长送方案,使用1030nm和1535nm的激光.
- 采用同步触发信号来控制两个脉冲激光.
- 在LMA-EYDF放大器中放大双波长脉冲以增强XPM.
- 基于增强XPM的组速度计算,优化了中央波长.
主要成果:
- 在-10dB级别实现了横宽带SC频谱,跨度为770nm至2055nm.
- 从EYDF放大器获得了104W的SC发电记录输出功率.
- 证明了迄今为止报告的1μm/1.5μm双波长激光器 (58W和131W) 的最高输出功率.
- 在报告的基于EYDF的SC源中,在-10dB级别产生了最宽的光谱带宽.
结论:
- 开发的基于XPM的方案有效地从LMA-EYDF放大器中产生高功率的平面宽带SC.
- 这种方法为SC生成提供了一个多功能平台,独立于特定的纤维设计.
- 这些发现显著推动了基于LMA纤维的SC源的开发,用于各种应用.
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