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Noise-hidden signal recovery via stochastic resonance in the SOI waveguide resonator
Sun, Heng; Liu, Hongjun; Sun, Qibing; Huang, Nan; Wang, Zhaolu; Han, Jing; Li, Shaopeng; Sun, H
作者部门瞬态光学技术国家重点实验室
2016-02-03
发表期刊JOURNAL OF PHYSICS D-APPLIED PHYSICS
ISSN0022-3727
卷号49期号:4页码:045107
产权排序1
摘要We propose a method to recover weak pulse signals buried in noise via stochastic resonance (SR) based on optical bistability induced by the free-carrier dispersion effect in the siliconon- insulator (SOI) waveguide resonator. The bistable system threshold is determined by the resonator parameters including the waveguide length, mirror reflectivity, and the free-carrier lifetime. A signal with different power levels can be detected by changing the free-carrier lifetime using a reverse-biased p-i-n junction embedded in the SOI waveguide. The influence of the system parameters on the SR is quantitatively analyzed by calculating the cross-correlation coefficient between the input and output signals. A cross-correlation gain of 5.6 is obtained by optimizing the system parameters of the SOI waveguide resonator. The results show the potential of using this structure to reconstruct and extract weak signals in all-optical integrated systems.
文章类型Article
关键词Stochastic Resonance Signals Recovery Soi Waveguide Resonator
学科领域Physics, Applied
WOS标题词Science & Technology ; Physical Sciences
DOI10.1088/0022-3727/49/4/045107
收录类别SCI ; EI
关键词[WOS]OPTICAL BISTABILITY ; SILICON ; IMAGES
语种英语
WOS研究方向Physics
项目资助者National Nature Science Foundation of China(61178023 ; 61275134)
WOS类目Physics, Applied
WOS记录号WOS:000368096500017
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/27792
专题瞬态光学研究室
通讯作者Sun, H
作者单位Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
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GB/T 7714
Sun, Heng,Liu, Hongjun,Sun, Qibing,et al. Noise-hidden signal recovery via stochastic resonance in the SOI waveguide resonator[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2016,49(4):045107.
APA Sun, Heng.,Liu, Hongjun.,Sun, Qibing.,Huang, Nan.,Wang, Zhaolu.,...&Sun, H.(2016).Noise-hidden signal recovery via stochastic resonance in the SOI waveguide resonator.JOURNAL OF PHYSICS D-APPLIED PHYSICS,49(4),045107.
MLA Sun, Heng,et al."Noise-hidden signal recovery via stochastic resonance in the SOI waveguide resonator".JOURNAL OF PHYSICS D-APPLIED PHYSICS 49.4(2016):045107.
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