IOE OpenIR  > 光电技术研究所被WoS收录文章
Ultrathin broadband nearly perfect absorber with symmetrical coherent illumination
Pu, Mingbo; Feng, Qin; Wang, Min; Hu, Chenggang; Huang, Cheng; Ma, Xiaoliang; Zhao, Zeyu; Wang, Changtao; Luo, Xiangang
Source PublicationOPTICS EXPRESS
Volume20Issue:3Pages:2246-2254
2012-01-30
Language英语
Indexed BySCI
WOS IDWOS:000300499500033
SubtypeArticle
AbstractAs highlighted by recent articles [Phys. Rev. Lett. 105, 053901 (2010) and Science 331, 889-892 (2011)], the coherent control of narrowband perfect absorption in intrinsic silicon slab has attracted much attention. In this paper, we demonstrate that broadband coherent perfect absorber (CPA) can be achieved by heavily doping an ultrathin silicon film. Two distinct perfect absorption regimes are derived with extremely broad and moderately narrow bandwidth under symmetrical coherent illumination. The large enhancement of bandwidth may open up new avenues for broadband applications. Subsequently, interferometric method is used to control the absorption coherently with extremely large contrast between the maximum and minimum absorptance. Compared with the results in literatures, the thin film CPAs proposed here show much more flexibility in both operation frequency and bandwidth. (C) 2012 Optical Society of America
WOS KeywordDOPED SILICON ; SPECTROSCOPY ; ABSORPTION
WOS Research AreaOptics
WOS SubjectOptics
Citation statistics
Cited Times:135[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/2405
Collection光电技术研究所被WoS收录文章
AffiliationChinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China
Recommended Citation
GB/T 7714
Pu, Mingbo,Feng, Qin,Wang, Min,et al. Ultrathin broadband nearly perfect absorber with symmetrical coherent illumination[J]. OPTICS EXPRESS,2012,20(3):2246-2254.
APA Pu, Mingbo.,Feng, Qin.,Wang, Min.,Hu, Chenggang.,Huang, Cheng.,...&Luo, Xiangang.(2012).Ultrathin broadband nearly perfect absorber with symmetrical coherent illumination.OPTICS EXPRESS,20(3),2246-2254.
MLA Pu, Mingbo,et al."Ultrathin broadband nearly perfect absorber with symmetrical coherent illumination".OPTICS EXPRESS 20.3(2012):2246-2254.
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