生物化学传感应用中的慢光增强吸收：低对比度损耗材料的潜力
Slow-light enhanced absorption for bio-chemical sensing applications: potential of low-contrast lossy materials
摘要：
近来，液体渗透光子晶体中的慢光增强吸收被提出作为补偿用于生化传感应用的典型芯片实验室系统中的减少的光路的途径。一个简单的微扰表达式已被应用到由无损耗微扰组成的理想结构。在这项工作中，我们研究的增强结构组成的有损耗介质，如聚合物。对于这种特定的传感应用，我们发现材料损失具有意想不到的有限缺点，并且令人惊讶的是，它甚至可以增加低折射率对比度系统（例如聚合物设备）的带宽。
英文摘要：
Slow-light enhanced absorption in liquid-infiltrated photonic crystals has recently been proposed as a route to compensate for the reduced optical path in typical lab-on-a-chip systems for bio-chemical sensing applications. A simple perturbative expression has been applied to ideal structures composed of lossless dielectrics. In this work we study the enhancement in structures composed of lossy dielectrics such as a polymer. For this particular sensing application we find that the material loss has an unexpected limited drawback and surprisingly, it may even add to increase the bandwidth for low-index contrast systems such as polymer devices.
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