Highly sensitive digital optical sensor with large measurement range based on the dual-microring resonator with waveguide-coupled feedback

doi:10.1088/1674-1056/23/3/034206

中国物理B ›› 2014, Vol. 23 ›› Issue (3): 34206-034206.doi: 10.1088/1674-1056/23/3/034206

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Highly sensitive digital optical sensor with large measurement range based on the dual-microring resonator with waveguide-coupled feedback

向星烨, 王葵如, 苑金辉, 晋博源, 桑新柱, 余重秀

State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China

收稿日期:2013-06-14 修回日期:2013-07-23 出版日期:2014-03-15 发布日期:2014-03-15
基金资助:
Project supported by the National Basic Research Program of China (Grant No. 2010CB327601).

Highly sensitive digital optical sensor with large measurement range based on the dual-microring resonator with waveguide-coupled feedback

Xiang Xing-Ye (向星烨), Wang Kui-Ru (王葵如), Yuan Jin-Hui (苑金辉), Jin Bo-Yuan (晋博源), Sang Xin-Zhu (桑新柱), Yu Chong-Xiu (余重秀)

State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2013-06-14 Revised:2013-07-23 Online:2014-03-15 Published:2014-03-15
Contact: Xiang Xing-Ye E-mail:xiangxingye0409@126.com
Supported by:
Project supported by the National Basic Research Program of China (Grant No. 2010CB327601).

摘要/Abstract

摘要： We propose a novel high-performance digital optical sensor based on the Mach–Zehnder interferential effect and the dual-microring resonators with the waveguide-coupled feedback. The simulation results show that the sensitivity of the sensor can be orders of magnitude higher than that of a conventional sensor, and high quality factor is not critical in it. Moreover, by optimizing the length of the feedback waveguide to be equal to the perimeter of the ring, the measurement range of the proposed sensor is twice as much as that of the conventional sensor in the weak coupling case.

关键词: optical sensor, microring resonator, high sensitivity, large measurement range

Abstract: We propose a novel high-performance digital optical sensor based on the Mach–Zehnder interferential effect and the dual-microring resonators with the waveguide-coupled feedback. The simulation results show that the sensitivity of the sensor can be orders of magnitude higher than that of a conventional sensor, and high quality factor is not critical in it. Moreover, by optimizing the length of the feedback waveguide to be equal to the perimeter of the ring, the measurement range of the proposed sensor is twice as much as that of the conventional sensor in the weak coupling case.

Key words: optical sensor, microring resonator, high sensitivity, large measurement range

中图分类号: (Resonators, cavities, amplifiers, arrays, and rings)

42.60.Da

42.79.-e (Optical elements, devices, and systems) 42.82.-m (Integrated optics)

向星烨, 王葵如, 苑金辉, 晋博源, 桑新柱, 余重秀. Highly sensitive digital optical sensor with large measurement range based on the dual-microring resonator with waveguide-coupled feedback[J]. 中国物理B, 2014, 23(3): 34206-034206.

Xiang Xing-Ye (向星烨), Wang Kui-Ru (王葵如), Yuan Jin-Hui (苑金辉), Jin Bo-Yuan (晋博源), Sang Xin-Zhu (桑新柱), Yu Chong-Xiu (余重秀). Highly sensitive digital optical sensor with large measurement range based on the dual-microring resonator with waveguide-coupled feedback[J]. Chin. Phys. B, 2014, 23(3): 34206-034206.

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Highly sensitive digital optical sensor with large measurement range based on the dual-microring resonator with waveguide-coupled feedback

Highly sensitive digital optical sensor with large measurement range based on the dual-microring resonator with waveguide-coupled feedback

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