Transparent conductive oxide-gated silicon microring with extreme resonance wavelength tunability

Transparent conductive oxide-gated silicon microring with extreme resonance wavelength tunability

论文摘要

Transparent conductive oxides have attracted escalating research interest for integrated photonic devices and metasurfaces due to the extremely large electro-optic modulation of the refractive index by the free-carrier-induced plasma dispersion effect. In this paper, we have designed and fabricated a silicon microring resonator using an indium-tin oxide gate as the electric-tuning electrode. It achieved an ultralarge resonance wavelength tunability of 271 pm/V, which is obtained through the reduced width of the ring waveguide and a high-dielectric-constant Hf O2 insulator. We demonstrated a broad resonance wavelength tuning range of over 2 nm with an ultrafast response time of less than 12 ns and near-zero static power consumption, which outperforms traditional thermal tuning.

论文目录

文章来源

类型: 期刊论文

作者: ERWEN LI,BEHZAD ASHRAFI NIA,BOKUN ZHOU,ALAN X.WANG

来源: Photonics Research 2019年04期

年度: 2019

分类: 基础科学,信息科技

专业: 物理学,无线电电子学

单位: School of Electrical Engineering and Computer Science, Oregon State University

基金: Air Force Office of Scientific Research(AFOSR)(FA9550-17-1-0071)

分类号: TN751.2;TN256

页码: 473-477

总页数: 5

文件大小: 1854K

下载量: 3

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Transparent conductive oxide-gated silicon microring with extreme resonance wavelength tunability
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