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Article Dans Une Revue Physical Review Letters Année : 2000

Quasi-Phase-Matching in Chiral Materials

Résumé

The second-order nonlinear optical coefficients associated with chirality differ in sign for the two mirror-image forms (enantiomers) of a chiral material. Structures comprised of alternating stacks of the enantiomers can therefore be used for quasi-phase-matched frequency conversion, as we demonstrate here by second-harmonic generation from Langmuir-Blodgett films of a helicenebisquinone. Such structures could lead to new types of frequency converters in which both the second-order nonlinear response and quasi-phase-matching arise from the chirality of a material rather than its polar order. PACS numbers: 42.65.Ky, 42.70.Nq, 78.66.Qn
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hal-02111141 , version 1 (14-05-2019)

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Bertrand Busson, Martti Kauranen, Colin Nuckolls, Thomas J Katz, André Persoons. Quasi-Phase-Matching in Chiral Materials. Physical Review Letters, 2000, 84 (1), pp.79-82. ⟨10.1103/PhysRevLett.84.79⟩. ⟨hal-02111141⟩
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