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	Compact silicon-on-insulator dual-microring resonator optimized for sensing
	Su, Baoqing; Wang, Chunxia; Kan, Qiang; Chen, Hongda
刊名	Journal of lightwave technology
	2011-05-15
卷号	29期号:10页码:1535-1541
关键词	Dual-micoring Integrated optics Microring resonator Sensor
ISSN号	0733-8724
DOI	10.1109/jlt.2011.2138678
通讯作者	Su, baoqing(cxwang@semi.ac.cn)
英文摘要	We demonstrate a novel silicon-on-insulator dual-microring resonator for sensing application. numerical analysis shows that the q factor of dual-microring resonator is three orders of magnitude higher than that of conventional single-ring resonator with lossless waveguide and thereby as a sensor, the resolution and minimum level of detection is enhanced greatly. for the resonance peak of inner ring, a q value of 1.07 x 10(7) is achieved theoretically in weak coupling conditions while the sensing area is kept below 50 x 50 mu m(2). detection limit of refractive index change of 3.85 x 10(-6) can be achieved for bulk refractive index sensing. moreover, by enlarging bending radius of the outer ring, q factor can be further improved. the analytical description of output spectrum response is derived. in addition, for low propagation loss waveguide, critical coupling condition of two rings and bus waveguides is obtained and it's essential for sensor device optimization.
WOS关键词	SHARP ASYMMETRICAL RESONANCE ; LABEL-FREE ; SENSOR ; MICROCAVITIES ; BIOSENSOR
WOS研究方向	Engineering ; Optics ; Telecommunications
WOS类目	Engineering, Electrical & Electronic ; Optics ; Telecommunications
语种	英语
出版者	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
WOS记录号	WOS:000290172400008
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2428176
专题	半导体研究所
通讯作者	Su, Baoqing
作者单位	Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Su, Baoqing,Wang, Chunxia,Kan, Qiang,et al. Compact silicon-on-insulator dual-microring resonator optimized for sensing[J]. Journal of lightwave technology,2011,29(10):1535-1541.
APA	Su, Baoqing,Wang, Chunxia,Kan, Qiang,&Chen, Hongda.(2011).Compact silicon-on-insulator dual-microring resonator optimized for sensing.Journal of lightwave technology,29(10),1535-1541.
MLA	Su, Baoqing,et al."Compact silicon-on-insulator dual-microring resonator optimized for sensing".Journal of lightwave technology 29.10(2011):1535-1541.

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