Slot Waveguide Ring-Assisted Mach-Zehnder Interferometer for Sensing Applications

被引：11

作者：

Marsh, Owen A. ^{[1
]}

Xiong, Yule ^{[1
]}

Ye, Winnie N. ^{[1
]}

机构：

[1] Carleton Univ, Dept Elect, Ottawa, ON K1S 5B6, Canada

来源：

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2017年 / 23卷 / 02期

关键词：

Integrated optics; nano-technology; silicon-on-insulator technology; optical resonators; SILICON-ON-INSULATOR; RESONATOR;

D O I：

10.1109/JSTQE.2016.2617084

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We experimentally demonstrate a ring-assisted Mach-Zehnder interferometer (RAMZI) design with slot waveguides for bulk index sensing using sucrose solution. Devices were implemented with both directional couplers (DCs) and multimode interferometer couplers (MMIs). The RAMZI designs with DCs were found to have a sensitivity of 203.3 +/- 15.3 nm/RIU, while 177.2 +/- 12.0 nm/RIU was demonstrated with MMIs-coupled RAMZI. The free spectral ranges (FSRs) of DCs and MMIs-coupled RAMZI were measured to be 24.3 and 34.3 nm, respectively. The FSRs demonstrated can be as wide as 7.9 times larger than the equivalent microring resonator.

引用

页码：440 / 443

页数：4

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