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Article: Semiconductor waveguide facet reflectivity problem

TitleSemiconductor waveguide facet reflectivity problem
Authors
Issue Date1993
Citation
Ieee Journal Of Quantum Electronics, 1993, v. 29 n. 8, p. 2273-2281 How to Cite?
AbstractThe problem of the facet reflectivity of a semiconductor slab waveguide is reexamined as an extension of Ikegami's original approach but which includes radiation-like modes. The latter are included, using a guide-within-a-guide geometry, as modes bound to a thick air-cladding guide which contains the core profile of interest. In this model with a relatively simple analysis, the coupling from the fundamental mode to radiation modes can be analyzed. The cross-coupling to the radiation modes is considered in detail for the simple double hetero-structure waveguide and is shown to be important only for large core-cladding index differences and for strong modal confinement wherein it results in a true facet loss. The conditions for this are the same as for low threshold lasers so that the loss sets a maximum limit on the equivalent internal quantum efficiency. A separate one-dimensional finite element, numerical mode matching program, which treats evanescent and propagating radiation modes, is used as a comparison. The two methods of accounting for radiation modes are shown to be in good agreement: both predict reduced extremes in reflectivity when compared with the original Ikegami model. Modern graded core cases are treated as general examples along with the specific quantum well laser structures taken from the literature. These include II-VI and III-V structures spanning wavelengths from 0.5 μm to 10.0 μm.
Persistent Identifierhttp://hdl.handle.net/10722/182534
ISSN
2015 Impact Factor: 1.843
2015 SCImago Journal Rankings: 1.128
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHerzinger, CMen_US
dc.contributor.authorLu, CCen_US
dc.contributor.authorDetemple, TAen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2013-05-02T05:15:46Z-
dc.date.available2013-05-02T05:15:46Z-
dc.date.issued1993en_US
dc.identifier.citationIeee Journal Of Quantum Electronics, 1993, v. 29 n. 8, p. 2273-2281en_US
dc.identifier.issn0018-9197en_US
dc.identifier.urihttp://hdl.handle.net/10722/182534-
dc.description.abstractThe problem of the facet reflectivity of a semiconductor slab waveguide is reexamined as an extension of Ikegami's original approach but which includes radiation-like modes. The latter are included, using a guide-within-a-guide geometry, as modes bound to a thick air-cladding guide which contains the core profile of interest. In this model with a relatively simple analysis, the coupling from the fundamental mode to radiation modes can be analyzed. The cross-coupling to the radiation modes is considered in detail for the simple double hetero-structure waveguide and is shown to be important only for large core-cladding index differences and for strong modal confinement wherein it results in a true facet loss. The conditions for this are the same as for low threshold lasers so that the loss sets a maximum limit on the equivalent internal quantum efficiency. A separate one-dimensional finite element, numerical mode matching program, which treats evanescent and propagating radiation modes, is used as a comparison. The two methods of accounting for radiation modes are shown to be in good agreement: both predict reduced extremes in reflectivity when compared with the original Ikegami model. Modern graded core cases are treated as general examples along with the specific quantum well laser structures taken from the literature. These include II-VI and III-V structures spanning wavelengths from 0.5 μm to 10.0 μm.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Journal of Quantum Electronicsen_US
dc.titleSemiconductor waveguide facet reflectivity problemen_US
dc.typeArticleen_US
dc.identifier.emailChew, WC: wcchew@hku.hken_US
dc.identifier.authorityChew, WC=rp00656en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/3.245556en_US
dc.identifier.scopuseid_2-s2.0-0027646424en_US
dc.identifier.volume29en_US
dc.identifier.issue8en_US
dc.identifier.spage2273en_US
dc.identifier.epage2281en_US
dc.identifier.isiWOS:A1993MK61900003-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridHerzinger, CM=7004376892en_US
dc.identifier.scopusauthoridLu, CC=7404804587en_US
dc.identifier.scopusauthoridDeTemple, TA=6701520533en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US

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