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Design and analysis of a cascaded microring resonator-based thermo-optical tunable filter with ultralarge free spectrum range and low power consumption
Ren GH; Cao TT; Chen SW; Ren, GH (reprint author), Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China, swchen@semi.ac.cn
2011
Source PublicationOPTICAL ENGINEERING
ISSN0091-3286
Volume50Issue:7Pages:74601
AbstractA thermo-optical tunable filter based on the Vernier effect of cascaded microring resonators, which can expand the free spectrum range (FSR) and the tuning range, has been designed and simulated. The FSR of the filter with a radius of 48 mu m for the first stage and 50 mu m for the second stage microring can be expanded to 75.6 nm, which is, at present, the largest FSR to our best knowledge. A tuning range covering all of the above mentioned FSR can be reached under 103.1 mW heating power, which is also the largest one for silicon-based thermo-optical tunable microring resonator filters. The response time, calculated by solving the two-dimensional heat conduction equation with finite element method, of the designed tunable filter with 48/50 mu m radius rings is 3.5 mu s for the rise edge and 0.8 mu s for the fall edge, which is much quicker than most of the reported silicon microring-based thermo-optical tunable filters. (C) 2011 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.3602879]
metadata_83集成光电子学国家重点实验室
KeywordMatrix Analysis Silicon
Subject Area光电子学
Funding OrganizationState Key Development Program for Basic Research of China[2007CB613405]; National Natural Science Foundation of China[60877013, 61021003, 60837001]
Indexed BySCI
Language英语
Date Available2012-02-06
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/22833
Collection集成光电子学国家重点实验室
Corresponding AuthorRen, GH (reprint author), Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China, swchen@semi.ac.cn
Recommended Citation
GB/T 7714
Ren GH,Cao TT,Chen SW,et al. Design and analysis of a cascaded microring resonator-based thermo-optical tunable filter with ultralarge free spectrum range and low power consumption[J]. OPTICAL ENGINEERING,2011,50(7):74601.
APA Ren GH,Cao TT,Chen SW,&Ren, GH .(2011).Design and analysis of a cascaded microring resonator-based thermo-optical tunable filter with ultralarge free spectrum range and low power consumption.OPTICAL ENGINEERING,50(7),74601.
MLA Ren GH,et al."Design and analysis of a cascaded microring resonator-based thermo-optical tunable filter with ultralarge free spectrum range and low power consumption".OPTICAL ENGINEERING 50.7(2011):74601.
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