Compact angled multimode interference duplexers for multi-gas sensing applications

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dc.contributor.authorThottoli, Ajmalen
dc.contributor.authorVorobev, Artemen
dc.contributor.authorBiagi, Gabrieleen
dc.contributor.authorIadanza, Simoneen
dc.contributor.authorGiglio, Marilenaen
dc.contributor.authorMagno, Giovannien
dc.contributor.authorGrande, Marcoen
dc.contributor.authorO'Faolain, Liamen
dc.contributor.funderEuropean Commissionen
dc.contributor.funderRegione Pugliaen
dc.date.accessioned2024-02-13T10:58:50Z
dc.date.available2024-02-13T10:58:50Z
dc.date.issued2024en
dc.description.abstractA compact, low-loss 2 × 1 angled-multi-mode-interference-based duplexer is proposed as an optical component for integrating several wavelengths with high coupling efficiency. The self-imaging principle in multimode waveguides is exploited to combine two target wavelengths, corresponding to distinctive absorption lines of important trace gases. The device performance has been numerically enhanced by engineering the geometrical parameters, offering trade-offs in coupling efficiency ratios. The proposed designs are used as versatile duplexers for detecting gas combinations such as ammonia-methane, ammonia-ethane, and ammonia-carbon dioxide, enabling customization for specific sensing applications. The duplexers designed are then fabricated and characterized, with a special focus on assessing the impact of the different target wavelengths on coupling efficiency.en
dc.description.sponsorshipEuropean Commission and Regione Puglia (POR Puglia 2014-2020, Priority Axis OT X “Investing in education, training and professional training for skills and lifelong learning” - Action 10.4 - DGR 1991/2018 - Notice 2/FSE/2020 n)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationThottoli, A., Vorobev, A., Biagi, G., Iadanza, S., Giglio, M., Magno, G., Grande, M. and O'Faolain, L. (2024) 'Compact angled multimode interference duplexers for multi-gas sensing applications', Optics Express, 32(3), 3451-3460. https://doi.org/10.1364/OE.503483en
dc.identifier.doi10.1364/OE.503483en
dc.identifier.endpage3460en
dc.identifier.issn1094-4087en
dc.identifier.issued3en
dc.identifier.startpage3451en
dc.identifier.urihttps://hdl.handle.net/10468/15555
dc.identifier.volume32en
dc.language.isoenen
dc.publisherOptica Publishing Groupen
dc.rights© 2023, Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement.en
dc.rights.urihttps://opg.optica.org/library/license_v2.cfm#VOR-OAen
dc.subjectCompact, low-loss 2 × 1 angled-multi-mode-interference-based duplexeren
dc.subjectOptical component for integrating several wavelengths with high coupling efficiencyen
dc.titleCompact angled multimode interference duplexers for multi-gas sensing applicationsen
dc.typeArticle (peer-reviewed)en
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