Co-optimizing grating couplers for hybrid integration of InP and SOI photonic platforms

dc.contributor.authorPassoni, Marco
dc.contributor.authorFrancesco, Floris
dc.contributor.authorHow Yuan, Hwang
dc.contributor.authorLuca, Zagaglia
dc.contributor.authorLee, Carroll
dc.contributor.authorAndreani, L. C.
dc.contributor.authorO'Brien, Peter A.
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2019-10-02T04:51:08Z
dc.date.available2019-10-02T04:51:08Z
dc.date.issued2018-09-14
dc.description.abstractGrating couplers are widely used optical interfaces in integrated photonics, especially on the Silicon-On-Insulator (SOI) platform. Their design has been optimized for coupling light between a Photonic Integrated Circuit (PIC) and a single-mode fiber, a µlens for free space transport, or even a second PIC in the same SOI platform. In this work, we co-design matching pairs of grating-couplers on distinct SOI and InP photonic platforms for optimized PIC-to-PIC coupling. By matching the scattering strengths of the two grating-couplers, we show that a PIC-to-PIC insertion loss of 3dB can be achieved. We also investigate how the design parameters impact the coupling efficiency and the bandwidth, ending up with a tolerance analysis. The proposed coupling approach between two different waveguide materials has prospective applications for the hybrid-integration of SOI and InP photonic platforms for communication technologies.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid095109en
dc.identifier.citationPassoni, M., Floris, F., Hwang, H.Y., Zagaglia, L., Carroll, L., Andreani, L.C. and O'Brien, P., 2018. Co-optimizing grating couplers for hybrid integration of InP and SOI photonic platforms. AIP Advances, 8(9), 095109 (8pp). DOI:10.1063/1.5046164en
dc.identifier.doi10.1063/1.5046164en
dc.identifier.eissn2158-3226
dc.identifier.endpage8en
dc.identifier.issued9en
dc.identifier.journaltitleAIP Advancesen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/8671
dc.identifier.volume8en
dc.language.isoenen
dc.publisherAIP Publishingen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2276/IE/I-PIC Irish Photonic Integration Research Centre/en
dc.relation.urihttps://aip.scitation.org/doi/10.1063/1.5046164
dc.rights© The Author(s) 2018. All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectGrating couplersen
dc.subjectOptical interfacesen
dc.subjectIntegrated photonicsen
dc.subjectSilicon-On-Insulator (SOI)en
dc.subject~Tyndall National Institute - Journal Articles~en
dc.titleCo-optimizing grating couplers for hybrid integration of InP and SOI photonic platformsen
dc.typeArticle (peer-reviewed)en
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