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Unclad microphotonics for terahertz waveguides and systems

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dc.contributor.authorHeadland, D.
dc.contributor.authorWithayachumnankul, W.
dc.contributor.authorYu, X.
dc.contributor.authorFujita, M.
dc.contributor.authorNagatsuma, T.
dc.date.issued2020
dc.description.abstractA practical approach to realize substrateless, unclad, micro-scale intrinsic silicon waveguides for the terahertz range is presented. The waveguides are monolithically integrated within a supporting silicon frame, with which they are fabricated together from the same silicon wafer in a single-mask etching process. This establishes an integration platform to house many diverse components and facilitates packaging. Effective medium techniques are deployed to prevent the frame from interfering with the waveguide's functionality. Straight waveguides of this sort are experimentally found to be efficient and broadband. Elementary components including Y-junctions and evanescent couplers are developed, and deployed in demonstrations of applications for terahertz waves including sensing and communications. This is a promising pathway to realize future microphotonic devices for diverse applications of terahertz waves.
dc.description.statementofresponsibilityDaniel Headland, Withawat Withayachumnankul, Xiongbin Yu, Masayuki Fujita, and Tadao Nagatsuma
dc.identifier.citationJournal of Lightwave Technology, 2020; 38(24):6853-6862
dc.identifier.doi10.1109/JLT.2020.3021681
dc.identifier.issn0733-8724
dc.identifier.issn1558-2213
dc.identifier.orcidHeadland, D. [0000-0003-1527-180X]
dc.identifier.orcidWithayachumnankul, W. [0000-0003-1155-567X]
dc.identifier.urihttps://hdl.handle.net/2440/132030
dc.language.isoen
dc.publisherIEEE
dc.relation.granthttp://purl.org/au-research/grants/arc/DP180103561
dc.rightsThis work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/
dc.source.urihttps://doi.org/10.1109/jlt.2020.3021681
dc.subjectTerahertz; waveguide; photonics; silicon; communications; sensing
dc.titleUnclad microphotonics for terahertz waveguides and systems
dc.typeJournal article
pubs.publication-statusPublished

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