分布式布拉格反射镜
折射率
反射器(摄影)
材料科学
光学
相(物质)
谐振腔
薄膜
光电子学
索引(排版)
反射率
计算机科学
物理
激光器
纳米技术
光源
量子力学
万维网
波长
出处
期刊:Journal of The Optical Society of America B-optical Physics
[Optica Publishing Group]
日期:2020-10-23
卷期号:37 (11): 3461-3461
被引量:5
摘要
A systematic approach to designing resonant cavity distributed Bragg reflector (DBR) structures with complex-index active regions is developed in this paper. The technique is based on the effective reflectance index of multilayer thin films. While the design of DBR structures with real refractive index films is quite straightforward, the use of a complex refractive index in the cavity requires a different approach. In this paper, we show that a complex active region requires an asymmetric reflector geometry along with a separate phase compensator. This technique is illustrated using phase change materials and metals in the resonant cavity.
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