衰减
材料科学
绝缘体上的硅
光学
调制(音乐)
光衰减器
消光比
衰减器(电子)
衰减系数
波长
光电子学
硅
物理
光纤
光纤传感器
声学
作者
Yuming Huang,Ling Lu,Guang Chen,Yingjie Xu,Lianqing Zhu
出处
期刊:Applied Optics
[The Optical Society]
日期:2023-08-11
卷期号:62 (24): 6316-6316
摘要
A silicon-on-insulator (SOI) variable optical attenuator (VOA) based on the plasma dispersion effect is optimized and realized, and the effects of doping concentration and distance about the VOA's modulation depth and attenuation efficiency are investigated. Two structures of the VOA component are designed to achieve low power consumption, high stability, and high modulation efficiency. The modulation depth of the series VOA scheme reached 60.11 dB, and the insertion loss is only 4.87 dB. Compared with conventional components, our optimized VOA can not only improve the modulation accuracy and efficiency but also reduce the wavelength dependence.
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