Coupling of optical parametric processes in an optical superlattice through quadratic nonlinearity was analyzed theoretically. Solving the coupled equations, we found that efficient quasi-phase-matched third-harmonic (TH) generation depends not only on the magnitude of the coupling coefficients but also on their ratio. Theoretically, all the fundamental energy can be transferred to the TH at a particular ratio. In other cases, there exists an optimum condition that corresponds to a maximum TH conversion efficiency. The result is of practical importance for the design of TH devices.
Crucial effects of coupling coefficients on quasi-phase-matched harmonic generation in an optical superlattice. Publishing Authors By Initials
Crucial effects of coupling coefficients on quasi-phase-matched harmonic generation in an optical superlattice. Journal Published:
PUBLICATION TYPE: Journal Article
Journal: Optics letters
VOLUME: 25
Page Numbers: 436-8
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ISSN: 0146-9592
DAY: 1
MONTH: Apr
YEAR: 2000
Crucial effects of coupling coefficients on quasi-phase-matched harmonic generation in an optical superlattice. Information
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LANGUAGE: eng
NlmUniqueID: 7708433
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MEDLINETA: Opt Lett
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