强激光与粒子束, 2015, 27 (2): 024118, 网络出版: 2015-02-15  

谐振腔提高横向光电效应的量子效率

Enhancing quantum efficiency of lateral photoelectric effect by resonant guided mode
席锋 1,2,*胡莉 1,2张翠玲 1,2
作者单位
1 重庆工商大学 检测控制集成系统工程实验室, 重庆 400067
2 重庆工商大学 计算机科学与信息工程学院, 重庆 400067
摘要
根据位置敏感探测器的原理, 设计了p-i-n型的谐振腔结构, 研究谐振腔提高横向光电效应的量子效率。以一维缺陷光子晶体作为顶部光学镜, 底部为分布式Bragg反射镜(DBR), 中间为激活介质谐振腔。利用传输矩阵法计算了一维缺陷光子晶体的透射特性。由于顶部和底部结构的高反作用, 一维缺陷光子晶体的透射谐振导模将被有效地限制在激活介质中。通过对谐振腔模型的分析, 得出了激活介质的量子效率, 并进行了数值仿真。结果表明, 一维缺陷光子晶体的谐振导模能有效提高谐振腔中激活介质的量子转换效率。
Abstract
The resonant cavity with p-i-n structure, which is to enhance the quantum efficiency of lateral photoelectric effect, is designed for position sensitive detector. The top mirror is a one-dimensional defect photonic crystal, and the bottom mirror is a distributed Bragg reflector (DBR), while the part of between the two mirrors is the active medium. The transmission of defect photonic crystal is obtained by transform matrix method. Because of the high reflectivity of top and bottom structures, the transmitted resonant guided mode of defect photonic crystal would be limited in active medium. The quantum efficiency of active medium is deduced by analyzing the equivalent mode of resonant cavity. The results of numerical simulation show that the quantum efficiency is enhanced by the resonant guided mode.

席锋, 胡莉, 张翠玲. 谐振腔提高横向光电效应的量子效率[J]. 强激光与粒子束, 2015, 27(2): 024118. Xi Feng, Hu Li, Zhang Cuiling. Enhancing quantum efficiency of lateral photoelectric effect by resonant guided mode[J]. High Power Laser and Particle Beams, 2015, 27(2): 024118.

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