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Article: Fiber-coupled light-emitting diode with a capillary-bonded hemispherical lens

TitleFiber-coupled light-emitting diode with a capillary-bonded hemispherical lens
Authors
KeywordsFiber Coupling
Light-Emitting Diode (LED)
Issue Date2011
PublisherIEEE.
Citation
IEEE Photonics Technology Letters, 2011, v. 23 n. 24, p. 1857-1859 How to Cite?
AbstractA hemispherical lens capillary-bonded to an InGaN flip-chip light-emitting diode (LED) is demonstrated to efficiently couple light to a plastic optical fiber. The BK-7 hemispherical lens is bonded onto a circularly shaped LED chip with inclined sidewalls cut by laser-micromachining, so that lateral emissions are effectively suppressed. Capillary bonding minimizes air-gap between chip and lens enabling transmission of evanescent waves, thus maximizing overall optical transmission. With the lens attached, emission divergence from the assembly is significantly reduced, diverting rays into the acceptance cone of the fiber. Fiber coupling efficiency as high as 53.8% has been demonstrated. © 2011 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/155701
ISSN
2015 Impact Factor: 1.945
2015 SCImago Journal Rankings: 1.433
ISI Accession Number ID
Funding AgencyGrant Number
Research Grant Council of Hong KongHKU 7118/09E
Funding Information:

This work was supported by a CERG grant from the Research Grant Council of Hong Kong (project HKU 7118/09E).

References

 

DC FieldValueLanguage
dc.contributor.authorZhu, Len_US
dc.contributor.authorHuang, SYen_US
dc.contributor.authorLai, PTen_US
dc.contributor.authorChoi, HWen_US
dc.date.accessioned2012-08-08T08:34:53Z-
dc.date.available2012-08-08T08:34:53Z-
dc.date.issued2011en_US
dc.identifier.citationIEEE Photonics Technology Letters, 2011, v. 23 n. 24, p. 1857-1859en_US
dc.identifier.issn1041-1135en_US
dc.identifier.urihttp://hdl.handle.net/10722/155701-
dc.description.abstractA hemispherical lens capillary-bonded to an InGaN flip-chip light-emitting diode (LED) is demonstrated to efficiently couple light to a plastic optical fiber. The BK-7 hemispherical lens is bonded onto a circularly shaped LED chip with inclined sidewalls cut by laser-micromachining, so that lateral emissions are effectively suppressed. Capillary bonding minimizes air-gap between chip and lens enabling transmission of evanescent waves, thus maximizing overall optical transmission. With the lens attached, emission divergence from the assembly is significantly reduced, diverting rays into the acceptance cone of the fiber. Fiber coupling efficiency as high as 53.8% has been demonstrated. © 2011 IEEE.en_US
dc.languageengen_US
dc.publisherIEEE.-
dc.relation.ispartofIEEE Photonics Technology Lettersen_US
dc.rightsIEEE Photonics Technology Letters. Copyright © IEEE-
dc.rights©2011 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectFiber Couplingen_US
dc.subjectLight-Emitting Diode (LED)en_US
dc.titleFiber-coupled light-emitting diode with a capillary-bonded hemispherical lensen_US
dc.typeArticleen_US
dc.identifier.emailLai, PT:laip@eee.hku.hken_US
dc.identifier.emailChoi, HW:hwchoi@eee.hku.hken_US
dc.identifier.authorityLai, PT=rp00130en_US
dc.identifier.authorityChoi, HW=rp00108en_US
dc.description.naturepublished_or_final_versionen_US
dc.identifier.doi10.1109/LPT.2011.2170407en_US
dc.identifier.scopuseid_2-s2.0-82155163884en_US
dc.identifier.hkuros204460-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-82155163884&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume23en_US
dc.identifier.issue24en_US
dc.identifier.spage1857en_US
dc.identifier.epage1859en_US
dc.identifier.isiWOS:000297356400005-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridZhu, L=36351290800en_US
dc.identifier.scopusauthoridHuang, SY=38961362100en_US
dc.identifier.scopusauthoridLai, PT=7202946460en_US
dc.identifier.scopusauthoridChoi, HW=7404334877en_US

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