Asymmetric Fano resonance in eye-like microring system

被引：40

作者：

Qiu, Chen ^{[1
,2
]}

Yu, Ping ^{[1
]}

Hu, Ting ^{[1
]}

Wang, Fan ^{[3
]}

Jiang, Xiaoqing ^{[1
]}

Yang, Jianyi ^{[1
,2
]}

机构：

[1] Zhejiang Univ, Dept Informat Sci & Elect Engn, Hangzhou 310027, Zhejiang, Peoples R China

[2] Zhejiang Univ, Cyrus Tang Ctr Sensor Mat & Applicat, Hangzhou 310027, Zhejiang, Peoples R China

[3] Chinese Acad Sci, Suzhou Inst Biomed Engn & Technol, Suzhou 215163, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 02期

关键词：

RING-RESONATOR;

D O I：

10.1063/1.4735258

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this paper, the Fano resonance in the "eye-like" microring resonator system (EMRS) is theoretically and experimentally investigated. The asymmetric Fano-resonance line shape of EMRS is generated by adding a microring inside and coupling with the outer ring to produce a nonlinear phase shift. The EMRS was fabricated on silicon-on-insulator wafer by the complementary metal-oxide-semiconductor compatible process. Compared to the conventional single-stage microring add-drop filter structure, the maximum sharpness of the transmission of the drop port is enhanced 3 times, and the drop port extinction ratio is increased by about 20 dB. The experimental results are in good agreement with the theoretical analysis. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4735258]

引用

页数：4

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