微腔谐振条件、品质因数和模体积由不同的穿透深度决定
Microcavity resonance condition, quality factor, and mode volume are determined by different penetration depths
摘要:
分布布拉格反射器(DBR)中的穿透深度共同决定了基于DBR的微腔的谐振条件、品质因数和模式体积。最近的研究使用了一个不完整的描述的渗透深度和不正确的方程。我们提出了一个完整的分析,涉及三个不同的渗透深度。我们还提出了一系列的实验上的微腔,以准确地确定我们的DBR的频率和模式的渗透深度,并比较这些结果与理论预测。所获得的结果是相关的任何人谁的模型DBR作为一个有效的硬镜,如果波长的顺序的长度是相关的,是微腔的情况下。
英文摘要:
The penetration depth in a Distributed Bragg Reflector (DBR) co-determines the resonance condition, quality factor, and mode volume of DBR-based microcavities. Recent studies have used an incomplete description of the penetration depth and incorrect equations. We present a complete analysis that involves three different penetration depths. We also present a series of experiments on microcavities to accurately determine the frequency and modal penetration depth of our DBRs and compare these results with theoretical predictions. The obtained results are relevant for anyone who models a DBR as an effective hard mirror if lengths of the order of the wavelength are relevant, as is the case for microcavities.
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