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Design of a photonic crystal microcavity for biosensing
Li, Junhua; Kan, Qiang; Wang, Chunxia; Su, Baoqing; Xie, Yiyang; Chen, Hongda; Li, J.(lijunhua@semi.ac.cn)
2011
Source PublicationJournal of Semiconductors
ISSN16744926
Volume32Issue:3Pages:34008
AbstractWe have designed an air-bridged PhC microcavity with high sensitivity and a high quality factor. The structure parameters of the microcavity are optimized by three-dimensional finite-difference time-domain method. We compare the performance of a silicon-on-insulator PhC microcavity and an air-bridged PhC microcavity, and analyze the effect of the thickness of the slab and the radius of the defect hole on the performance of the air-bridged PhC microcavity. For a thinner slab and a larger defect hole, the sensitivity is higher while the quality factor is lower. For the air-bridged photonic crystal slab, the sensitivity can reach320-nm/RIU(refractive index unit) while the quality factor keeps a relatively high value of120 by selecting the proper slab thickness and the defect hole radius, respectively, when the refractive index is1.33. This is meaningful for low-detection-limit biosensing.?2011 Chinese Institute of Electronics.
metadata_83集成光电子学国家重点实验室
KeywordDefects Finite Difference Time Domain Method Light Refraction Photonic Crystals Refractive Index Refractometers
Subject Area光电子学
Indexed ByEI
Date Available2012-06-13
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/23036
Collection集成光电子学国家重点实验室
Corresponding AuthorLi, J.(lijunhua@semi.ac.cn)
Recommended Citation
GB/T 7714
Li, Junhua,Kan, Qiang,Wang, Chunxia,et al. Design of a photonic crystal microcavity for biosensing[J]. Journal of Semiconductors,2011,32(3):34008.
APA Li, Junhua.,Kan, Qiang.,Wang, Chunxia.,Su, Baoqing.,Xie, Yiyang.,...&Li, J..(2011).Design of a photonic crystal microcavity for biosensing.Journal of Semiconductors,32(3),34008.
MLA Li, Junhua,et al."Design of a photonic crystal microcavity for biosensing".Journal of Semiconductors 32.3(2011):34008.
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