概括
这项研究介绍了一种可调整的全纤维法诺共振,在马赫-泽恩德干扰仪 (MZI) 中使用倾斜纤维布拉格格 (TFBG). 这种新的系统可以精确控制光谱形状,用于先进的光学应用.
科学领域:
- 光子学和光学工程 光子学和光学工程
- 光纤光学是指光纤的使用.
- 干涉测量是干涉测量的方法.
背景情况:
- 由于其尖的光谱特征,范诺共振对光学设备至关重要.
- 与散装光学相比,全光纤系统在强度和低损耗方面具有优势.
- 马赫-泽恩德干扰仪 (MZIs) 是用于操纵光的多功能平台.
研究的目的:
- 为了展示一个可调整的全纤维 Fano 共振.
- 将倾斜纤维布拉格格 (TFBG) 与全纤维马赫-泽恩德干扰仪 (MZI) 集成.
- 探索光谱线形状和参数的可调性.
主要方法:
- 将一个倾斜10°的纤维布拉格格 (TFBG) 纳入全纤维马赫-泽恩德干扰仪 (MZI).
- 从TFBG的离散状态与MZI的连续状态的合.
- 在80nm光谱范围内生成的Fano共振的表征.
主要成果:
- 一个可调整的全纤维法诺共振的生成.
- 在不对称的Fano,电磁诱导透明度 (EIT) 和电磁诱导吸收 (EIA) 线形之间实现了连续的过渡.
- 观察到频谱参数的周期变化,如法诺参数 (q),斜率和灭绝率.
结论:
- 拟议的全纤维TFBG-MZI系统提供了一种强大,低损耗和可扩展的方法来产生多Fano共振.
- 该系统的可调节性使其适用于高灵敏度传感和光学开关应用.
- 这项工作推动了用于先进光学信号处理的集成光纤设备的开发.
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