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Optimization of intersubband resonant second-order susceptibility in asymmetric graded AlxGa1-xAs quantum wells using supersymmetric quantum mechanics
dc.creator | Tomić, Stanko | |
dc.creator | Milanović, Vitomir B. | |
dc.creator | Ikonić, Zoran | |
dc.date.accessioned | 2018-03-01T18:21:09Z | |
dc.date.available | 2018-03-01T18:21:09Z | |
dc.date.issued | 1997 | |
dc.identifier.issn | 1098-0121 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/2078 | |
dc.description.abstract | A systematic procedure is proposed for the design of ternary alloys based quantum-well structures optimized for double-resonance second-harmonic generation. The method relies on the supersymmetric quantum mechanics as derived here for the case of position-dependent effective mass. Starting from a symmetric, truncated quasiparabolic potential, itself lacking any second-order nonlinearity, we generate a family of asymmetric potentials, fully isospectral with the starting potential, and choose the one which maximizes the product of transition matrix elements relevant for the second-order nonlinearity. Realization of the optimized potential (in an approximate manner) by grading the ternary alloy AlxGa1-xAs is then described. The best value of nonlinear susceptibility obtained exceeds those reported in the literature. | en |
dc.rights | restrictedAccess | en |
dc.source | Physical Review B: Condensed Matter and Materials Physics | en |
dc.title | Optimization of intersubband resonant second-order susceptibility in asymmetric graded AlxGa1-xAs quantum wells using supersymmetric quantum mechanics | en |
dc.type | article | en |
dc.rights.license | ARR | |
dcterms.abstract | Томиц, С; Милановиц, В; Икониц, З; | |
dc.citation.volume | 56 | |
dc.citation.issue | 3 | |
dc.citation.spage | 1033 | |
dc.citation.epage | 1036 | |
dc.identifier.wos | A1997XM76600020 | |
dc.identifier.doi | 10.1103/PhysRevB.56.1033 | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-0001585585 |