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2022 Iranian International Conference on Microelectronics (IICM)最新文献

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Optimization of Cavity Length for Broad Spectral Width Superluminescent Diodes 宽频宽超发光二极管腔长优化研究
2022 Iranian International Conference on Microelectronics (IICM) Pub Date : 2022-12-20 DOI: 10.1109/IICM57986.2022.10152442
S. P. Abbasi, A. Hodaei
{"title":"Optimization of Cavity Length for Broad Spectral Width Superluminescent Diodes","authors":"S. P. Abbasi, A. Hodaei","doi":"10.1109/IICM57986.2022.10152442","DOIUrl":"https://doi.org/10.1109/IICM57986.2022.10152442","url":null,"abstract":"Extremely broadband superluminescent diode applications are expanding. We investigated the design and optimization of broad spectral width super luminescent diodes (SLDs) with asymmetric multi quantum well (AMQW) active region. The arrangement of QWs and the cavity length were investigated in this research. The number of QWs was determined by the material gain and the spontaneous rate of QWs and their arrangements in the active region. To improve the QW arrangement, the optimized cavity length was determined. Final structure has a stable spectral shape with spectral width>100nm.","PeriodicalId":131546,"journal":{"name":"2022 Iranian International Conference on Microelectronics (IICM)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114284936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and Implementation of a Low Power Time-to-Digital Converter for Pixel Application 用于像素应用的低功耗时间-数字转换器的设计与实现
2022 Iranian International Conference on Microelectronics (IICM) Pub Date : 2022-12-20 DOI: 10.1109/IICM57986.2022.10152375
Mohammad Hassan Pass, S. Sayedi, Seyed Amir Reza Ahmadi Mehr
{"title":"Design and Implementation of a Low Power Time-to-Digital Converter for Pixel Application","authors":"Mohammad Hassan Pass, S. Sayedi, Seyed Amir Reza Ahmadi Mehr","doi":"10.1109/IICM57986.2022.10152375","DOIUrl":"https://doi.org/10.1109/IICM57986.2022.10152375","url":null,"abstract":"In this paper, a structure for time-to-digital converter (TDC) is proposed. In the structure, three measuring stages with different accuracies are used to reach a high dynamic range. Also in the design, a gated ring oscillator is used to reduce power consumption. The oscillator has an eight phase output, and the TDC resolution reaches to one-eighth of its period. In the circuit, when the stop signal arrives and the digital result is specified, the circuit stops the oscillation of the ring oscillator to prevent further power consumption. The proposed time-to-digital converter is implemented in a 65nm technology. Its resolution is 180ps, its average power consumption is 119µW, and its area is 644µm2.","PeriodicalId":131546,"journal":{"name":"2022 Iranian International Conference on Microelectronics (IICM)","volume":"87 7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127997227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Zigzag antimonene nanoribbons for nanoscaled optical devices 纳米光学器件用之字形锑烯纳米带
2022 Iranian International Conference on Microelectronics (IICM) Pub Date : 2022-12-20 DOI: 10.1109/IICM57986.2022.10152307
Ali Molajani, A. Y. Goharrizi
{"title":"Zigzag antimonene nanoribbons for nanoscaled optical devices","authors":"Ali Molajani, A. Y. Goharrizi","doi":"10.1109/IICM57986.2022.10152307","DOIUrl":"https://doi.org/10.1109/IICM57986.2022.10152307","url":null,"abstract":"In the present work, the electronic and optical properties of zigzag antimonene nanoribbons are investigated using density functional theory (DFT) calculations. The electronic properties of nanoribbons such as bad gap size and projected density of states are calculated. In the case of optical properties, the real and imaginary parts of the dielectric function and absorption coefficient are obtained for different values of nanoribbons' width. Based on the simulation results of the present work, antimonene nanoribbons are suitable for absorption of the photons with wavelengths between 384 nm to 568 nm.","PeriodicalId":131546,"journal":{"name":"2022 Iranian International Conference on Microelectronics (IICM)","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116029523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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