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dc.contributor.CRUESPUNIVERSIDADE DE ESTADUAL DE CAMPINASpt_BR
dc.identifier.isbnnullpt
dc.typeArtigo de periódicopt_BR
dc.titlePerturbation Theory For The Wave Equation And The 'effective Refractive Index' Approach.pt_BR
dc.contributor.authorFrateschi Newton C.pt_BR
dc.contributor.authorDe Castro A.Rubens B.pt_BR
unicamp.authorFrateschi, Newton C., Inst de Fisica Gleb Wataghin-UNICAMP, Campinas, Braz, Inst de Fisica Gleb Wataghin-UNICAMP, Campinas, Brazpt_BR
unicamp.authorDe Castro, A.Rubens B., Inst de Fisica Gleb Wataghin-UNICAMP, Campinas, Braz, Inst de Fisica Gleb Wataghin-UNICAMP, Campinas, Brazpt_BR
dc.description.abstractAn Au and Aharonov type perturbation theory for the two-dimensional scalar wave equation is described. As an application, it is shown that the 'effective refractive index' method is related to the first-order correction to the eigenstate. In addition, the authors compare results obtained for the gain G in a typical laser structure using either the present theory or averaging the imaginary part of the refractive index over the fields ('average modal gain' G OVER BAR ). The results agree to about 8% in a test case where the perturbative result is, in fact, exact. It is concluded that the perturbative approach will, in general, be more reliable.en
dc.relation.ispartofIEEE Journal of Quantum Electronicspt_BR
dc.publishernullpt_BR
dc.date.issued1986pt_BR
dc.identifier.citationIeee Journal Of Quantum Electronics. , v. QE-22, n. 1, p. 12 - 15, 1986.pt_BR
dc.language.isoenpt_BR
dc.description.volumeQE-22pt_BR
dc.description.issuenumber1pt_BR
dc.description.initialpage12pt_BR
dc.description.lastpage15pt_BR
dc.rightsfechadopt_BR
dc.sourceScopuspt_BR
dc.identifier.issn189197pt_BR
dc.identifier.doipt_BR
dc.identifier.urlhttp://www.scopus.com/inward/record.url?eid=2-s2.0-0022561871&partnerID=40&md5=80f554c8f1fcf4db7c6db563c2d81f56pt_BR
dc.date.available2015-06-30T13:41:30Z
dc.date.available2015-11-26T14:37:25Z-
dc.date.accessioned2015-06-30T13:41:30Z
dc.date.accessioned2015-11-26T14:37:25Z-
dc.description.provenanceMade available in DSpace on 2015-06-30T13:41:30Z (GMT). No. of bitstreams: 1 2-s2.0-0022561871.pdf: 995013 bytes, checksum: fbdae3ba3a3d50171d3481166d370a24 (MD5) Previous issue date: 1986en
dc.description.provenanceMade available in DSpace on 2015-11-26T14:37:25Z (GMT). No. of bitstreams: 1 2-s2.0-0022561871.pdf: 995013 bytes, checksum: fbdae3ba3a3d50171d3481166d370a24 (MD5) Previous issue date: 1986en
dc.identifier.urihttp://www.repositorio.unicamp.br/handle/REPOSIP/98304
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/98304-
dc.identifier.idScopus2-s2.0-0022561871pt_BR
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