Mixed-mode fiber array alignment and coupling to photonic integrated circuits

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dc.contributor.authorGradkowski, Kamilen
dc.date.accessioned2025-04-30T08:44:43Z
dc.date.available2025-04-30T08:44:43Z
dc.date.issued2025en
dc.description.abstractThis study investigates alignment and coupling between a photonic integrated circuit (PIC) and a mixed-mode fiber array, where one of the channels in the normally single-mode (SM) array is replaced by a multi-mode fiber (MMF). As a result, the tolerances of alignment are significantly relaxed. The proposed method suggests using the SMF at the input and the MMF at the output of the PIC. In such a transmission configuration, the tolerances are relaxed by a factor of √2 (41%). As this scales with mode size, the beam-expansion mechanisms, e.g., utilizing micro-lenses, can further significantly reduce the requirements for fabrication and packaging of photonic devices, making them more robust and cheaper to manufacture.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationGradkowski, K. (2025) 'Mixed-mode fiber array alignment and coupling to photonic integrated circuits', IEEE Transactions on Components, Packaging and Manufacturing Technology. DOI: 10.1109/TCPMT.2025.3560722en
dc.identifier.doi10.1109/TCPMT.2025.3560722en
dc.identifier.issn21563950en
dc.identifier.journaltitleIEEE Transactions on Components, Packaging and Manufacturing Technologyen
dc.identifier.urihttps://hdl.handle.net/10468/17363
dc.language.isoenen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.en
dc.rights© 2025, IEEE.en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectEdge couplersen
dc.subjectExpanded-beam optical connectorsen
dc.subjectMicro-optical devicesen
dc.subjectPhotonic integrated circuitsen
dc.titleMixed-mode fiber array alignment and coupling to photonic integrated circuitsen
dc.typeArticle (peer-reviewed)en
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