[Quasi-accord de phase]
L'utilisation de cristaux microstructurés pour les interactions optiques non linéaires en quasi-accord de phase (QAP) a permis le fonctionnement de dispositifs non linéaires dans des régimes inaccessibles avec des milieux biréfringents conventionnels en accord de phase. Cette revue traite de la théorie de base des interactions en QAP, des ferroélectriques et semi-conducteurs microstructurés pour le QAP, des dispositifs basés sur les milieux à QAP, ainsi que d'une série de techniques basées sur l'ingénierie des réseaux de QAP dans l'objectif de façonner les réponses, spatiale et spectrale, des interactions en QAP. Comme il n'est pas possible de rendre justice en une brève revue au grand nombre de résultats qui ont été obtenus pour les milieux à quasi-accord de phase au cours des vingt dernières années, la présente contribution se concentrera sur quelques aspects des interactions en QAP au-delà de leur simple utilisation comme alternatives hautement non linéaires aux milieux conventionnels biréfringents.
The use of microstructured crystals in quasi-phasematched (QPM) nonlinear interactions has enabled operation of nonlinear devices in regimes inaccessible to conventional birefringently phasematched media. This review addresses basic aspects of the theory of QPM interactions, microstructured ferroelectrics and semiconductors for QPM, devices based on QPM media, and a series of techniques based on engineering of QPM gratings to tailor spatial and spectral response of QPM interactions. Because it is not possible in a brief review to do justice to the large body of results that have been obtained with QPM media over the past twenty years, the emphasis in this review will be on aspects of QPM interactions beyond their use simply as highly nonlinear alternatives to conventional birefringent media.
David S. Hum 1 ; Martin M. Fejer 1
@article{CRPHYS_2007__8_2_180_0, author = {David S. Hum and Martin M. Fejer}, title = {Quasi-phasematching}, journal = {Comptes Rendus. Physique}, pages = {180--198}, publisher = {Elsevier}, volume = {8}, number = {2}, year = {2007}, doi = {10.1016/j.crhy.2006.10.022}, language = {en}, }
David S. Hum; Martin M. Fejer. Quasi-phasematching. Comptes Rendus. Physique, Volume 8 (2007) no. 2, pp. 180-198. doi : 10.1016/j.crhy.2006.10.022. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2006.10.022/
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