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Simultaneous second-harmonic generation and third-harmonic generation in one-dimensional photonic crystal slabs consisting of centrosymmetric materials

โœ Scribed by Xiangang Luo; Teruya Ishihara

Book ID
108233897
Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
349 KB
Volume
27
Category
Article
ISSN
0925-3467

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Aimed at second harmonic generation (SHG) in photonic crystal slabs (PCS) consisting of centrosymmetric materials, we proposed a method based on eigenmodes in PCS, without resorting to birefringence or quasi phase matching, to realize a phase matching condition (PMC). The experimental and theoretica

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We report on the observation of quasi-phase matched collinear second harmonic generation (SHG) at 20 wavelengths in a two-dimensional nonlinear photonic quasi-crystal with decagonal lattice. We show that at some wavelengths the second harmonics are generated via standard quasi-phase matching, namely