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Coupling condition engineered subwavelength grating waveguide ring resonator for sensitivity enhancement
2020
会议录名称INTEGRATED OPTICS: DEVICES, MATERIALS, AND TECHNOLOGIES XXIV 2020
ISSN1996756X
卷号11283
发表状态已发表
DOI10.1117/12.2546386
摘要

In this paper, we propose a new type of subwavelength grating (SWG) racetrack resonator with engineered coupling condition and waveguide nanostructure. Highly dispersive coupling condition between bus waveguide and SWG ring is achieved, which has a V-shape envelope of resonance spectrum, through adjusting the SWG unit shape, dimension and the length of directional coupling region. When top cladding refractive index changes, instead of indicated in single resonant wavelength shift, which is the case for conventional SWG ring resonator, the movement of the spectrum envelope peak actually represents the sensitivity of our device. SWG racetrack resonators with two different widths are investigated, showing much bigger spectrum shift compared with the conventional one. The results may provide a new approach for further improve device sensitivity and hold great promise for potential applications in integrated optical sensor.
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会议地点San Francisco, CA, United states
收录类别EI ; CPCI ; CPCI-S
语种英语
资助项目National Natural Science Foundation of China[61705099] ; National Natural Science Foundation of China[]
出版者SPIE
EI入藏号20201708501425
EI主题词Optical resonators ; Refractive index ; Waveguides
EI分类号Waveguides:714.3 ; Light/Optics:741.1 ; Optical Devices and Systems:741.3
原始文献类型Conference article (CA)
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文献类型会议论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/121514
专题信息科学与技术学院_硕士生
信息科学与技术学院_PI研究组_邹毅组
信息科学与技术学院_博士生
通讯作者Zou, Yi
作者单位
1.School of Information Science and Technology, ShanghaiTech University, Shanghai; 201210, China
2.Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai; 200050, China
3.University of Chinese Academy of Sciences, Beijing; 100049, China
第一作者单位信息科学与技术学院
通讯作者单位信息科学与技术学院
第一作者的第一单位信息科学与技术学院
推荐引用方式
GB/T 7714
Li, Ting,Zou, Yi. Coupling condition engineered subwavelength grating waveguide ring resonator for sensitivity enhancement[C]:SPIE,2020.
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