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Resumen: The one- and two-photon scattering matrix S is obtained analytically for a one-dimensional waveguide and a pointlike scatterer with N excited levels (generalized V-type atom). We argue that the two-photon scattering matrix contains sufficient information to distinguish between different level structures which are equivalent for single-photon scattering, such as a V atom with N=2 excited levels and two two-level systems. In particular, we show that the scattering with the V-type atom exhibits a destructive interference effect leading to two-photon coupled-resonator-induced transparency, where the nonlinear part of the two-photon scattering matrix vanishes when each incident photon fulfills a single-photon condition for transparency.
Idioma: Inglés
DOI: 10.1103/PhysRevA.94.053857
Año: 2016
Publicado en: PHYSICAL REVIEW A 94, 5 (2016), 053857 [9 pp]
ISSN: 1050-2947
Financiación: info:eu-repo/grantAgreement/ES/DGA/FENOL-GROUP
Financiación: info:eu-repo/grantAgreement/EU/PROMISCE
Financiación: info:eu-repo/grantAgreement/ES/MINECO/FIS2012-33022
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MAT2014-53432-C5
Tipo y forma: Article (Published version)
Área (Departamento): Física de la Materia Condensada (Departamento de Física de la Materia Condensada)

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