Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/106844
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dc.contributor.authorHuang, Tianyeen
dc.contributor.authorXu, Guizhenen
dc.contributor.authorPan, Jianxingen
dc.contributor.authorCheng, Zhuoen
dc.contributor.authorShum, Perry Pingen
dc.contributor.authorBrambilla, Gilbertoen
dc.date.accessioned2019-08-15T07:46:02Zen
dc.date.accessioned2019-12-06T22:19:32Z-
dc.date.available2019-08-15T07:46:02Zen
dc.date.available2019-12-06T22:19:32Z-
dc.date.issued2019en
dc.identifier.citationHuang, T., Xu, G., Pan, J., Cheng, Z., Shum, P. P., & Brambilla, G. (2019). Theoretical study of bicharacteristic waveguide for fundamental-mode phase-matched SHG from MIR to NIR. Optics Express, 27(11), 15236-15250. doi:10.1364/OE.27.015236en
dc.identifier.issn1094-4087en
dc.identifier.urihttps://hdl.handle.net/10356/106844-
dc.description.abstractIn this paper, a bicharacteristic waveguide (BW) is proposed for fundamental-mode phase-matched second harmonic generation (SHG) from mid-infrared (MIR) to near-infrared (NIR). The required phase matching condition (PMC) is satisfied between the fundamental plasmonic mode at 3100 nm and the photonic mode at 1550 nm. With 1 W pump power, the SHG conversion efficiency of 4.173% can be obtained in 90.3 μm length waveguide. Moreover, the SHG conversion can be enhanced by using a microring resonator (MRR). By optimizing the MRR, the SHG conversion efficiency is increased to 8.30%. The proposed waveguide can also provide a promising platform for upconversion detection. By using an on-chip cascaded configuration, a gas sensor with the capability of MIR absorption and NIR detection is proposed. It is found that the detection limit (DL) can reach 1.04 nmol/L with 100 mW pump power, which shows significant enhancement compared with direct MIR absorption and detection.en
dc.format.extent15 p.en
dc.language.isoenen
dc.relation.ispartofseriesOptics Expressen
dc.rights© 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.en
dc.subjectCoupled Mode Theoryen
dc.subjectEngineering::Electrical and electronic engineeringen
dc.subjectPhase Matchingen
dc.titleTheoretical study of bicharacteristic waveguide for fundamental-mode phase-matched SHG from MIR to NIRen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.contributor.organizationCenter of Fiber Technologyen
dc.identifier.doi10.1364/OE.27.015236en
dc.description.versionPublished versionen
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item.grantfulltextopen-
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