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dc.contributor.authorLiu, Weichenen_US
dc.contributor.authorLi, Mengquanen_US
dc.contributor.authorChang, Wanlien_US
dc.contributor.authorXiao, Chunhuaen_US
dc.contributor.authorXie, Yiyuanen_US
dc.contributor.authorGuan, Nanen_US
dc.contributor.authorJiang, Leien_US
dc.identifier.citationLiu, W., Li, M., Chang, W., Xiao, C., Xie, Y., Guan, N., & Jiang, L. (2019). Thermal sensing using micro-ring resonators in optical network-on-chip. Proceedings of the Design, Automation & Test in Europe Conference & Exhibition (DATE). doi:10.23919/DATE.2019.8714844en_US
dc.description.abstractIn this paper, we for the first time utilize the micro-ring resonators (MRs) in optical networks-on-chip (ONoCs) to implement thermal sensing without requiring additional hardware or chip area. The challenges in accuracy and reliability that arise from fabrication-induced process variations (PVs) and device-level wavelength tuning mechanism are resolved. We quantitatively model the intrinsic thermal sensitivity of MRs with finegrained consideration of wavelength tuning mechanism. Based on it, a novel PV-tolerant thermal sensor design is proposed. By exploiting the hidden `redundancy' in wavelength division multiplexing (WDM) technique, our sensor achieves accurate and efficient temperature measurement with the capability of PV tolerance. Evaluation results based on professional photonic component and circuit simulations show an average of 86.49% improvement in measurement accuracy compared to the state-of-the-art on-chip thermal sensing approach using MRs. Our thermal sensor achieves stable performance in the ONoCs employing dense WDM with an inaccuracy of only 0.8650 K.en_US
dc.rights© 2019 European Design and Automation Association (EDAA). All rights reserved. This paper was published in 2019 Design, Automation & Test in Europe Conference & Exhibition (DATE) and is made available with permission of European Design and Automation Association (EDAA).en_US
dc.subjectEngineering::Computer science and engineeringen_US
dc.titleThermal sensing using micro-ring resonators in optical network-on-chipen_US
dc.typeConference Paperen
dc.contributor.schoolSchool of Computer Science and Engineeringen_US
dc.contributor.conference2019 Design, Automation & Test in Europe Conference & Exhibition (DATE)en_US
dc.description.versionPublished versionen_US
dc.subject.keywordsOptical Sensorsen_US
dc.citation.conferencelocationFlorence, Italyen_US
dc.description.acknowledgementThis work is partially supported by NAP M4082282 and SUG M4082087 from Nanyang Technological University, HP-NTU Digital Manufacturing Corporate Lab, Singapore, and NSFC 61772094, China.en_US
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