相关实验视频
Updated: Jul 1, 2025

10:17
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
11.5K
概括
这项研究介绍了一种少数模式的波导体放大器 (FM-EDWA),该放大器能等效差分模态增益 (DMG). 新型放大器在多个空间模式中实现高增强,增强差异最小.
科学领域:
- 光学工程是指光学工程.
- 材料科学 材料科学 材料科学
- 电信 电信服务 电信服务 电信服务
背景情况:
- 少数模式光纤放大器中的差分模式增益 (DMG) 限制了性能.
- 用添加的波导放大器 (EDWA) 对于光学放大至关重要.
研究的目的:
- 提出并演示设计用于等效差分模态增益 (DMG) 的几模埃尔比亚波导放大器 (FM-EDWA).
- 为了优化和制造一个FM-EDWA能够放大多个空间模式与平衡的收益.
主要方法:
- 为FM-EDWA设计一个封闭的Er3+杂环结构.
- 使用遗传算法优化放大器设计.
- 使用精确的 lithography 覆盖层对齐技术制造.
- 在不同空间模式中模态增益和DMG的表征 (LP01,LP11a,LP11b).
主要成果:
- 在所有放大模式 (LP01,LP11a,LP11b) 中,获得的增强值超过14dB.
- 在1529nm时显示了0.73dB的低差分模式增益 (DMG).
- 在波长范围为1525-1565纳米的波长范围内获得了超过10dB的平面增益.
- 在整个操作带宽中保持DMG低于1.3dB.
结论:
- 拟议的FM-EDWA有效地平衡了不同模式收益的差异.
- 优化和制造的设备显示了为少数模式光纤通信系统提供有希望的性能.
- 放大器在多种模式中提供高,平面增益,低DMG.
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